]> pilppa.com Git - linux-2.6-omap-h63xx.git/commitdiff
[ARM] omap: mcbsp: convert to use fck/ick clocks directly
authorRussell King <rmk@dyn-67.arm.linux.org.uk>
Fri, 23 Jan 2009 10:26:46 +0000 (10:26 +0000)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Sun, 8 Feb 2009 17:50:19 +0000 (17:50 +0000)
Rather than introducing a special 'mcbsp_clk' with code behind it in
mach-omap*/mcbsp.c to handle the SoC specifics, arrange for the mcbsp
driver to be like any other driver.  mcbsp requests its fck and ick
clocks directly, and the SoC specific code deals with selecting the
correct clock.

There is one oddity to deal with - OMAP1 fiddles with the DSP clocks
and DSP reset, so we move this to the two callback functions.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/mach-omap1/clock.c
arch/arm/mach-omap1/mcbsp.c
arch/arm/mach-omap2/clock24xx.c
arch/arm/mach-omap2/clock34xx.c
arch/arm/mach-omap2/mcbsp.c
arch/arm/plat-omap/include/mach/mcbsp.h
arch/arm/plat-omap/mcbsp.c

index 61ace02e7ddc395564462a9d7d061b7677bd2ddb..b62da4c95630448bfc5baac748e48cfe61421cca 100644 (file)
@@ -132,6 +132,15 @@ static struct omap_clk omap_clks[] = {
        CLK(NULL,       "mpu",          &virtual_ck_mpu, CK_16XX | CK_1510 | CK_310),
        CLK("i2c_omap.1", "i2c_fck",    &i2c_fck,       CK_16XX | CK_1510 | CK_310),
        CLK("i2c_omap.1", "i2c_ick",    &i2c_ick,       CK_16XX),
+       CLK("omap-mcbsp.1", "ick",      &dspper_ck,     CK_16XX),
+       CLK("omap-mcbsp.1", "ick",      &dummy_ck,      CK_1510 | CK_310),
+       CLK("omap-mcbsp.2", "ick",      &armper_ck.clk, CK_16XX),
+       CLK("omap-mcbsp.2", "ick",      &dummy_ck,      CK_1510 | CK_310),
+       CLK("omap-mcbsp.3", "ick",      &dspper_ck,     CK_16XX),
+       CLK("omap-mcbsp.3", "ick",      &dummy_ck,      CK_1510 | CK_310),
+       CLK("omap-mcbsp.1", "fck",      &dspxor_ck,     CK_16XX | CK_1510 | CK_310),
+       CLK("omap-mcbsp.2", "fck",      &armper_ck.clk, CK_16XX | CK_1510 | CK_310),
+       CLK("omap-mcbsp.3", "fck",      &dspxor_ck,     CK_16XX | CK_1510 | CK_310),
 };
 
 static int omap1_clk_enable_generic(struct clk * clk);
index 575ba31295cf125c676351f4a8e75258a3befa27..d040c3f1027f7b973009013620705e4d65055b92 100644 (file)
@@ -28,9 +28,9 @@
 #define DPS_RSTCT2_PER_EN      (1 << 0)
 #define DSP_RSTCT2_WD_PER_EN   (1 << 1)
 
-#if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX)
-const char *clk_names[] = { "dsp_ck", "api_ck", "dspxor_ck" };
-#endif
+static int dsp_use;
+static struct clk *api_clk;
+static struct clk *dsp_clk;
 
 static void omap1_mcbsp_request(unsigned int id)
 {
@@ -39,20 +39,40 @@ static void omap1_mcbsp_request(unsigned int id)
         * are DSP public peripherals.
         */
        if (id == OMAP_MCBSP1 || id == OMAP_MCBSP3) {
-               omap_dsp_request_mem();
-               /*
-                * DSP external peripheral reset
-                * FIXME: This should be moved to dsp code
-                */
-               __raw_writew(__raw_readw(DSP_RSTCT2) | DPS_RSTCT2_PER_EN |
-                               DSP_RSTCT2_WD_PER_EN, DSP_RSTCT2);
+               if (dsp_use++ == 0) {
+                       api_clk = clk_get(NULL, "api_clk");
+                       dsp_clk = clk_get(NULL, "dsp_clk");
+                       if (!IS_ERR(api_clk) && !IS_ERR(dsp_clk)) {
+                               clk_enable(api_clk);
+                               clk_enable(dsp_clk);
+
+                               omap_dsp_request_mem();
+                               /*
+                                * DSP external peripheral reset
+                                * FIXME: This should be moved to dsp code
+                                */
+                               __raw_writew(__raw_readw(DSP_RSTCT2) | DPS_RSTCT2_PER_EN |
+                                               DSP_RSTCT2_WD_PER_EN, DSP_RSTCT2);
+                       }
+               }
        }
 }
 
 static void omap1_mcbsp_free(unsigned int id)
 {
-       if (id == OMAP_MCBSP1 || id == OMAP_MCBSP3)
-               omap_dsp_release_mem();
+       if (id == OMAP_MCBSP1 || id == OMAP_MCBSP3) {
+               if (--dsp_use == 0) {
+                       omap_dsp_release_mem();
+                       if (!IS_ERR(api_clk)) {
+                               clk_disable(api_clk);
+                               clk_put(api_clk);
+                       }
+                       if (!IS_ERR(dsp_clk)) {
+                               clk_disable(dsp_clk);
+                               clk_put(dsp_clk);
+                       }
+               }
+       }
 }
 
 static struct omap_mcbsp_ops omap1_mcbsp_ops = {
@@ -94,8 +114,6 @@ static struct omap_mcbsp_platform_data omap15xx_mcbsp_pdata[] = {
                .rx_irq         = INT_McBSP1RX,
                .tx_irq         = INT_McBSP1TX,
                .ops            = &omap1_mcbsp_ops,
-               .clk_names      = clk_names,
-               .num_clks       = 3,
        },
        {
                .phys_base      = OMAP1510_MCBSP2_BASE,
@@ -112,8 +130,6 @@ static struct omap_mcbsp_platform_data omap15xx_mcbsp_pdata[] = {
                .rx_irq         = INT_McBSP3RX,
                .tx_irq         = INT_McBSP3TX,
                .ops            = &omap1_mcbsp_ops,
-               .clk_names      = clk_names,
-               .num_clks       = 3,
        },
 };
 #define OMAP15XX_MCBSP_PDATA_SZ                ARRAY_SIZE(omap15xx_mcbsp_pdata)
@@ -131,8 +147,6 @@ static struct omap_mcbsp_platform_data omap16xx_mcbsp_pdata[] = {
                .rx_irq         = INT_McBSP1RX,
                .tx_irq         = INT_McBSP1TX,
                .ops            = &omap1_mcbsp_ops,
-               .clk_names      = clk_names,
-               .num_clks       = 3,
        },
        {
                .phys_base      = OMAP1610_MCBSP2_BASE,
@@ -149,8 +163,6 @@ static struct omap_mcbsp_platform_data omap16xx_mcbsp_pdata[] = {
                .rx_irq         = INT_McBSP3RX,
                .tx_irq         = INT_McBSP3TX,
                .ops            = &omap1_mcbsp_ops,
-               .clk_names      = clk_names,
-               .num_clks       = 3,
        },
 };
 #define OMAP16XX_MCBSP_PDATA_SZ                ARRAY_SIZE(omap16xx_mcbsp_pdata)
index ac038035c1c9fa7315341056d27417a86fdc10a3..ea21d55a20759dc77f174a7c3b56f85f9512e240 100644 (file)
@@ -139,16 +139,16 @@ static struct omap_clk omap24xx_clks[] = {
        CLK(NULL,       "gpt11_fck",    &gpt11_fck,     CK_243X | CK_242X),
        CLK(NULL,       "gpt12_ick",    &gpt12_ick,     CK_243X | CK_242X),
        CLK(NULL,       "gpt12_fck",    &gpt12_fck,     CK_243X | CK_242X),
-       CLK("omap-mcbsp.1", "mcbsp_ick", &mcbsp1_ick,   CK_243X | CK_242X),
-       CLK("omap-mcbsp.1", "mcbsp_fck", &mcbsp1_fck,   CK_243X | CK_242X),
-       CLK("omap-mcbsp.2", "mcbsp_ick", &mcbsp2_ick,   CK_243X | CK_242X),
-       CLK("omap-mcbsp.2", "mcbsp_fck", &mcbsp2_fck,   CK_243X | CK_242X),
-       CLK("omap-mcbsp.3", "mcbsp_ick", &mcbsp3_ick,   CK_243X),
-       CLK("omap-mcbsp.3", "mcbsp_fck", &mcbsp3_fck,   CK_243X),
-       CLK("omap-mcbsp.4", "mcbsp_ick", &mcbsp4_ick,   CK_243X),
-       CLK("omap-mcbsp.4", "mcbsp_fck", &mcbsp4_fck,   CK_243X),
-       CLK("omap-mcbsp.5", "mcbsp_ick", &mcbsp5_ick,   CK_243X),
-       CLK("omap-mcbsp.5", "mcbsp_fck", &mcbsp5_fck,   CK_243X),
+       CLK("omap-mcbsp.1", "ick",      &mcbsp1_ick,    CK_243X | CK_242X),
+       CLK("omap-mcbsp.1", "fck",      &mcbsp1_fck,    CK_243X | CK_242X),
+       CLK("omap-mcbsp.2", "ick",      &mcbsp2_ick,    CK_243X | CK_242X),
+       CLK("omap-mcbsp.2", "fck",      &mcbsp2_fck,    CK_243X | CK_242X),
+       CLK("omap-mcbsp.3", "ick",      &mcbsp3_ick,    CK_243X),
+       CLK("omap-mcbsp.3", "fck",      &mcbsp3_fck,    CK_243X),
+       CLK("omap-mcbsp.4", "ick",      &mcbsp4_ick,    CK_243X),
+       CLK("omap-mcbsp.4", "fck",      &mcbsp4_fck,    CK_243X),
+       CLK("omap-mcbsp.5", "ick",      &mcbsp5_ick,    CK_243X),
+       CLK("omap-mcbsp.5", "fck",      &mcbsp5_fck,    CK_243X),
        CLK("omap2_mcspi.1", "ick",     &mcspi1_ick,    CK_243X | CK_242X),
        CLK("omap2_mcspi.1", "fck",     &mcspi1_fck,    CK_243X | CK_242X),
        CLK("omap2_mcspi.2", "ick",     &mcspi2_ick,    CK_243X | CK_242X),
index d0bfae5a2f4132b77747c9a60eb8d7d8fdf6f6e5..a70aa2eaf053f978c0a0d541e9fe0187381533ac 100644 (file)
@@ -144,8 +144,8 @@ static struct omap_clk omap34xx_clks[] = {
        CLK("i2c_omap.3", "i2c_fck",    &i2c3_fck,      CK_343X),
        CLK("i2c_omap.2", "i2c_fck",    &i2c2_fck,      CK_343X),
        CLK("i2c_omap.1", "i2c_fck",    &i2c1_fck,      CK_343X),
-       CLK("omap-mcbsp.5", "mcbsp_fck", &mcbsp5_fck,   CK_343X),
-       CLK("omap-mcbsp.1", "mcbsp_fck", &mcbsp1_fck,   CK_343X),
+       CLK("omap-mcbsp.5", "fck",      &mcbsp5_fck,    CK_343X),
+       CLK("omap-mcbsp.1", "fck",      &mcbsp1_fck,    CK_343X),
        CLK(NULL,       "core_48m_fck", &core_48m_fck,  CK_343X),
        CLK("omap2_mcspi.4", "fck",     &mcspi4_fck,    CK_343X),
        CLK("omap2_mcspi.3", "fck",     &mcspi3_fck,    CK_343X),
@@ -186,8 +186,8 @@ static struct omap_clk omap34xx_clks[] = {
        CLK(NULL,       "uart1_ick",    &uart1_ick,     CK_343X),
        CLK(NULL,       "gpt11_ick",    &gpt11_ick,     CK_343X),
        CLK(NULL,       "gpt10_ick",    &gpt10_ick,     CK_343X),
-       CLK("omap-mcbsp.5", "mcbsp_ick", &mcbsp5_ick,   CK_343X),
-       CLK("omap-mcbsp.1", "mcbsp_ick", &mcbsp1_ick,   CK_343X),
+       CLK("omap-mcbsp.5", "ick",      &mcbsp5_ick,    CK_343X),
+       CLK("omap-mcbsp.1", "ick",      &mcbsp1_ick,    CK_343X),
        CLK(NULL,       "fac_ick",      &fac_ick,       CK_3430ES1),
        CLK(NULL,       "mailboxes_ick", &mailboxes_ick, CK_343X),
        CLK(NULL,       "omapctrl_ick", &omapctrl_ick,  CK_343X),
@@ -257,12 +257,12 @@ static struct omap_clk omap34xx_clks[] = {
        CLK(NULL,       "gpt4_ick",     &gpt4_ick,      CK_343X),
        CLK(NULL,       "gpt3_ick",     &gpt3_ick,      CK_343X),
        CLK(NULL,       "gpt2_ick",     &gpt2_ick,      CK_343X),
-       CLK("omap-mcbsp.2", "mcbsp_ick", &mcbsp2_ick,   CK_343X),
-       CLK("omap-mcbsp.3", "mcbsp_ick", &mcbsp3_ick,   CK_343X),
-       CLK("omap-mcbsp.4", "mcbsp_ick", &mcbsp4_ick,   CK_343X),
-       CLK("omap-mcbsp.2", "mcbsp_fck", &mcbsp2_fck,   CK_343X),
-       CLK("omap-mcbsp.3", "mcbsp_fck", &mcbsp3_fck,   CK_343X),
-       CLK("omap-mcbsp.4", "mcbsp_fck", &mcbsp4_fck,   CK_343X),
+       CLK("omap-mcbsp.2", "ick",      &mcbsp2_ick,    CK_343X),
+       CLK("omap-mcbsp.3", "ick",      &mcbsp3_ick,    CK_343X),
+       CLK("omap-mcbsp.4", "ick",      &mcbsp4_ick,    CK_343X),
+       CLK("omap-mcbsp.2", "fck",      &mcbsp2_fck,    CK_343X),
+       CLK("omap-mcbsp.3", "fck",      &mcbsp3_fck,    CK_343X),
+       CLK("omap-mcbsp.4", "fck",      &mcbsp4_fck,    CK_343X),
        CLK(NULL,       "emu_src_ck",   &emu_src_ck,    CK_343X),
        CLK(NULL,       "pclk_fck",     &pclk_fck,      CK_343X),
        CLK(NULL,       "pclkx2_fck",   &pclkx2_fck,    CK_343X),
index a9e631fc1134177de2ee7568380b96cb3157835c..a5c0f0435cd6725423ededd8b47247d000773916 100644 (file)
@@ -24,8 +24,6 @@
 #include <mach/cpu.h>
 #include <mach/mcbsp.h>
 
-const char *clk_names[] = { "mcbsp_ick", "mcbsp_fck" };
-
 static void omap2_mcbsp2_mux_setup(void)
 {
        omap_cfg_reg(Y15_24XX_MCBSP2_CLKX);
@@ -57,8 +55,6 @@ static struct omap_mcbsp_platform_data omap2420_mcbsp_pdata[] = {
                .rx_irq         = INT_24XX_MCBSP1_IRQ_RX,
                .tx_irq         = INT_24XX_MCBSP1_IRQ_TX,
                .ops            = &omap2_mcbsp_ops,
-               .clk_names      = clk_names,
-               .num_clks       = 2,
        },
        {
                .phys_base      = OMAP24XX_MCBSP2_BASE,
@@ -67,8 +63,6 @@ static struct omap_mcbsp_platform_data omap2420_mcbsp_pdata[] = {
                .rx_irq         = INT_24XX_MCBSP2_IRQ_RX,
                .tx_irq         = INT_24XX_MCBSP2_IRQ_TX,
                .ops            = &omap2_mcbsp_ops,
-               .clk_names      = clk_names,
-               .num_clks       = 2,
        },
 };
 #define OMAP2420_MCBSP_PDATA_SZ                ARRAY_SIZE(omap2420_mcbsp_pdata)
@@ -86,8 +80,6 @@ static struct omap_mcbsp_platform_data omap2430_mcbsp_pdata[] = {
                .rx_irq         = INT_24XX_MCBSP1_IRQ_RX,
                .tx_irq         = INT_24XX_MCBSP1_IRQ_TX,
                .ops            = &omap2_mcbsp_ops,
-               .clk_names      = clk_names,
-               .num_clks       = 2,
        },
        {
                .phys_base      = OMAP24XX_MCBSP2_BASE,
@@ -96,8 +88,6 @@ static struct omap_mcbsp_platform_data omap2430_mcbsp_pdata[] = {
                .rx_irq         = INT_24XX_MCBSP2_IRQ_RX,
                .tx_irq         = INT_24XX_MCBSP2_IRQ_TX,
                .ops            = &omap2_mcbsp_ops,
-               .clk_names      = clk_names,
-               .num_clks       = 2,
        },
        {
                .phys_base      = OMAP2430_MCBSP3_BASE,
@@ -106,8 +96,6 @@ static struct omap_mcbsp_platform_data omap2430_mcbsp_pdata[] = {
                .rx_irq         = INT_24XX_MCBSP3_IRQ_RX,
                .tx_irq         = INT_24XX_MCBSP3_IRQ_TX,
                .ops            = &omap2_mcbsp_ops,
-               .clk_names      = clk_names,
-               .num_clks       = 2,
        },
        {
                .phys_base      = OMAP2430_MCBSP4_BASE,
@@ -116,8 +104,6 @@ static struct omap_mcbsp_platform_data omap2430_mcbsp_pdata[] = {
                .rx_irq         = INT_24XX_MCBSP4_IRQ_RX,
                .tx_irq         = INT_24XX_MCBSP4_IRQ_TX,
                .ops            = &omap2_mcbsp_ops,
-               .clk_names      = clk_names,
-               .num_clks       = 2,
        },
        {
                .phys_base      = OMAP2430_MCBSP5_BASE,
@@ -126,8 +112,6 @@ static struct omap_mcbsp_platform_data omap2430_mcbsp_pdata[] = {
                .rx_irq         = INT_24XX_MCBSP5_IRQ_RX,
                .tx_irq         = INT_24XX_MCBSP5_IRQ_TX,
                .ops            = &omap2_mcbsp_ops,
-               .clk_names      = clk_names,
-               .num_clks       = 2,
        },
 };
 #define OMAP2430_MCBSP_PDATA_SZ                ARRAY_SIZE(omap2430_mcbsp_pdata)
@@ -145,8 +129,6 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
                .rx_irq         = INT_24XX_MCBSP1_IRQ_RX,
                .tx_irq         = INT_24XX_MCBSP1_IRQ_TX,
                .ops            = &omap2_mcbsp_ops,
-               .clk_names      = clk_names,
-               .num_clks       = 2,
        },
        {
                .phys_base      = OMAP34XX_MCBSP2_BASE,
@@ -155,8 +137,6 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
                .rx_irq         = INT_24XX_MCBSP2_IRQ_RX,
                .tx_irq         = INT_24XX_MCBSP2_IRQ_TX,
                .ops            = &omap2_mcbsp_ops,
-               .clk_names      = clk_names,
-               .num_clks       = 2,
        },
        {
                .phys_base      = OMAP34XX_MCBSP3_BASE,
@@ -165,8 +145,6 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
                .rx_irq         = INT_24XX_MCBSP3_IRQ_RX,
                .tx_irq         = INT_24XX_MCBSP3_IRQ_TX,
                .ops            = &omap2_mcbsp_ops,
-               .clk_names      = clk_names,
-               .num_clks       = 2,
        },
        {
                .phys_base      = OMAP34XX_MCBSP4_BASE,
@@ -175,8 +153,6 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
                .rx_irq         = INT_24XX_MCBSP4_IRQ_RX,
                .tx_irq         = INT_24XX_MCBSP4_IRQ_TX,
                .ops            = &omap2_mcbsp_ops,
-               .clk_names      = clk_names,
-               .num_clks       = 2,
        },
        {
                .phys_base      = OMAP34XX_MCBSP5_BASE,
@@ -185,8 +161,6 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
                .rx_irq         = INT_24XX_MCBSP5_IRQ_RX,
                .tx_irq         = INT_24XX_MCBSP5_IRQ_TX,
                .ops            = &omap2_mcbsp_ops,
-               .clk_names      = clk_names,
-               .num_clks       = 2,
        },
 };
 #define OMAP34XX_MCBSP_PDATA_SZ                ARRAY_SIZE(omap34xx_mcbsp_pdata)
index 113c2466c86a7d789fa5316118dfa4fc2a02941b..bb154ea76769509a7937c4ba472e8d04c5bf41d3 100644 (file)
@@ -344,8 +344,6 @@ struct omap_mcbsp_platform_data {
        u8 dma_rx_sync, dma_tx_sync;
        u16 rx_irq, tx_irq;
        struct omap_mcbsp_ops *ops;
-       char const **clk_names;
-       int num_clks;
 };
 
 struct omap_mcbsp {
@@ -377,8 +375,8 @@ struct omap_mcbsp {
        /* Protect the field .free, while checking if the mcbsp is in use */
        spinlock_t lock;
        struct omap_mcbsp_platform_data *pdata;
-       struct clk **clks;
-       int num_clks;
+       struct clk *iclk;
+       struct clk *fclk;
 };
 extern struct omap_mcbsp **mcbsp_ptr;
 extern int omap_mcbsp_count;
index e5842e30e534485b6a1c5faa11bbd9ce2de94272..28b0a824b8cfa1bff4f7d2b4ea27cd494bd1bfbe 100644 (file)
@@ -214,7 +214,6 @@ EXPORT_SYMBOL(omap_mcbsp_set_io_type);
 int omap_mcbsp_request(unsigned int id)
 {
        struct omap_mcbsp *mcbsp;
-       int i;
        int err;
 
        if (!omap_mcbsp_check_valid_id(id)) {
@@ -223,23 +222,23 @@ int omap_mcbsp_request(unsigned int id)
        }
        mcbsp = id_to_mcbsp_ptr(id);
 
-       if (mcbsp->pdata && mcbsp->pdata->ops && mcbsp->pdata->ops->request)
-               mcbsp->pdata->ops->request(id);
-
-       for (i = 0; i < mcbsp->num_clks; i++)
-               clk_enable(mcbsp->clks[i]);
-
        spin_lock(&mcbsp->lock);
        if (!mcbsp->free) {
                dev_err(mcbsp->dev, "McBSP%d is currently in use\n",
                        mcbsp->id);
                spin_unlock(&mcbsp->lock);
-               return -1;
+               return -EBUSY;
        }
 
        mcbsp->free = 0;
        spin_unlock(&mcbsp->lock);
 
+       if (mcbsp->pdata && mcbsp->pdata->ops && mcbsp->pdata->ops->request)
+               mcbsp->pdata->ops->request(id);
+
+       clk_enable(mcbsp->iclk);
+       clk_enable(mcbsp->fclk);
+
        /*
         * Make sure that transmitter, receiver and sample-rate generator are
         * not running before activating IRQs.
@@ -278,7 +277,6 @@ EXPORT_SYMBOL(omap_mcbsp_request);
 void omap_mcbsp_free(unsigned int id)
 {
        struct omap_mcbsp *mcbsp;
-       int i;
 
        if (!omap_mcbsp_check_valid_id(id)) {
                printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
@@ -289,8 +287,14 @@ void omap_mcbsp_free(unsigned int id)
        if (mcbsp->pdata && mcbsp->pdata->ops && mcbsp->pdata->ops->free)
                mcbsp->pdata->ops->free(id);
 
-       for (i = mcbsp->num_clks - 1; i >= 0; i--)
-               clk_disable(mcbsp->clks[i]);
+       clk_disable(mcbsp->fclk);
+       clk_disable(mcbsp->iclk);
+
+       if (mcbsp->io_type == OMAP_MCBSP_IRQ_IO) {
+               /* Free IRQs */
+               free_irq(mcbsp->rx_irq, (void *)mcbsp);
+               free_irq(mcbsp->tx_irq, (void *)mcbsp);
+       }
 
        spin_lock(&mcbsp->lock);
        if (mcbsp->free) {
@@ -302,12 +306,6 @@ void omap_mcbsp_free(unsigned int id)
 
        mcbsp->free = 1;
        spin_unlock(&mcbsp->lock);
-
-       if (mcbsp->io_type == OMAP_MCBSP_IRQ_IO) {
-               /* Free IRQs */
-               free_irq(mcbsp->rx_irq, (void *)mcbsp);
-               free_irq(mcbsp->tx_irq, (void *)mcbsp);
-       }
 }
 EXPORT_SYMBOL(omap_mcbsp_free);
 
@@ -876,7 +874,6 @@ static int __devinit omap_mcbsp_probe(struct platform_device *pdev)
        struct omap_mcbsp_platform_data *pdata = pdev->dev.platform_data;
        struct omap_mcbsp *mcbsp;
        int id = pdev->id - 1;
-       int i;
        int ret = 0;
 
        if (!pdata) {
@@ -899,7 +896,6 @@ static int __devinit omap_mcbsp_probe(struct platform_device *pdev)
                ret = -ENOMEM;
                goto exit;
        }
-       mcbsp_ptr[id] = mcbsp;
 
        spin_lock_init(&mcbsp->lock);
        mcbsp->id = id + 1;
@@ -921,39 +917,32 @@ static int __devinit omap_mcbsp_probe(struct platform_device *pdev)
        mcbsp->dma_rx_sync = pdata->dma_rx_sync;
        mcbsp->dma_tx_sync = pdata->dma_tx_sync;
 
-       if (pdata->num_clks) {
-               mcbsp->num_clks = pdata->num_clks;
-               mcbsp->clks = kzalloc(mcbsp->num_clks * sizeof(struct clk *),
-                                       GFP_KERNEL);
-               if (!mcbsp->clks) {
-                       ret = -ENOMEM;
-                       goto exit;
-               }
-               for (i = 0; i < mcbsp->num_clks; i++) {
-                       mcbsp->clks[i] = clk_get(&pdev->dev, pdata->clk_names[i]);
-                       if (IS_ERR(mcbsp->clks[i])) {
-                               dev_err(&pdev->dev,
-                                       "Invalid %s configuration for McBSP%d.\n",
-                                       pdata->clk_names[i], mcbsp->id);
-                               ret = PTR_ERR(mcbsp->clks[i]);
-                               goto err_clk;
-                       }
-               }
+       mcbsp->iclk = clk_get(&pdev->dev, "ick");
+       if (IS_ERR(mcbsp->iclk)) {
+               ret = PTR_ERR(mcbsp->iclk);
+               dev_err(&pdev->dev, "unable to get ick: %d\n", ret);
+               goto err_iclk;
+       }
 
+       mcbsp->fclk = clk_get(&pdev->dev, "fck");
+       if (IS_ERR(mcbsp->fclk)) {
+               ret = PTR_ERR(mcbsp->fclk);
+               dev_err(&pdev->dev, "unable to get fck: %d\n", ret);
+               goto err_fclk;
        }
 
        mcbsp->pdata = pdata;
        mcbsp->dev = &pdev->dev;
+       mcbsp_ptr[id] = mcbsp;
        platform_set_drvdata(pdev, mcbsp);
        return 0;
 
-err_clk:
-       while (i--)
-               clk_put(mcbsp->clks[i]);
-       kfree(mcbsp->clks);
+err_fclk:
+       clk_put(mcbsp->iclk);
+err_iclk:
        iounmap(mcbsp->io_base);
 err_ioremap:
-       mcbsp->free = 0;
+       kfree(mcbsp);
 exit:
        return ret;
 }
@@ -961,7 +950,6 @@ exit:
 static int __devexit omap_mcbsp_remove(struct platform_device *pdev)
 {
        struct omap_mcbsp *mcbsp = platform_get_drvdata(pdev);
-       int i;
 
        platform_set_drvdata(pdev, NULL);
        if (mcbsp) {
@@ -970,18 +958,15 @@ static int __devexit omap_mcbsp_remove(struct platform_device *pdev)
                                mcbsp->pdata->ops->free)
                        mcbsp->pdata->ops->free(mcbsp->id);
 
-               for (i = mcbsp->num_clks - 1; i >= 0; i--) {
-                       clk_disable(mcbsp->clks[i]);
-                       clk_put(mcbsp->clks[i]);
-               }
+               clk_disable(mcbsp->fclk);
+               clk_disable(mcbsp->iclk);
+               clk_put(mcbsp->fclk);
+               clk_put(mcbsp->iclk);
 
                iounmap(mcbsp->io_base);
 
-               if (mcbsp->num_clks) {
-                       kfree(mcbsp->clks);
-                       mcbsp->clks = NULL;
-                       mcbsp->num_clks = 0;
-               }
+               mcbsp->fclk = NULL;
+               mcbsp->iclk = NULL;
                mcbsp->free = 0;
                mcbsp->dev = NULL;
        }
@@ -1002,4 +987,3 @@ int __init omap_mcbsp_init(void)
        /* Register the McBSP driver */
        return platform_driver_register(&omap_mcbsp_driver);
 }
-