OMAP2 clock: check register address in omap2_clk_wait_ready()

The test in omap2_clk_wait_ready() for DSS or CAM clocks didn't
verify that the PRCM {F,I}CLKEN1 register was in the CORE powerdomain.
Add this check in.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
index 59b042ff011e66c6bb98441e092d8b13bc41d2dd..577be447bda80fdb9ddb38fc0d0d79c312c39133 100644 (file)
--- a/arch/arm/mach-omap2/clock.c
+++ b/arch/arm/mach-omap2/clock.c
@@ -236,13 +236,17 @@ static void omap2_clk_wait_ready(struct clk *clk)
        else
                return;
 
-       /* No check for DSS or CAM clocks on 24xx */
-       /* REVISIT: This should check prcm_mod against CORE_MOD */
-       if (cpu_is_omap24xx() && (reg & 0x0f) == 0) { /* CM_{F,I}CLKEN1 */
+       /* 24xx: DSS and CAM have no idlest bits for their target agents */
+       if (cpu_is_omap24xx() &&
+           (prcm_mod == OMAP2420_CM_REGADDR(CORE_MOD, 0) ||
+            prcm_mod == OMAP2430_CM_REGADDR(CORE_MOD, 0)) &&
+           (reg & 0x0f) == 0) { /* CM_{F,I}CLKEN1 */
+
                if (clk->enable_bit == OMAP24XX_EN_DSS2_SHIFT ||
                    clk->enable_bit == OMAP24XX_EN_DSS1_SHIFT ||
                    clk->enable_bit == OMAP24XX_EN_CAM_SHIFT)
                        return;
+
        }
 
        /* REVISIT: What are the appropriate exclusions for 34XX? */