From: Arnd Bergmann Date: Thu, 12 Jan 2006 22:16:42 +0000 (-0500) Subject: [PATCH] spidernet: read firmware from the OF device tree X-Git-Tag: v2.6.16-rc2~366^2~54 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=030d6753f8b6251927330431a7e5f0ac86bc6da9;p=linux-2.6-omap-h63xx.git [PATCH] spidernet: read firmware from the OF device tree request_firmware() is sometimes problematic, especially in initramfs, reading the firmware from Open Firmware is much preferrable. We still try to get the firmware from the file system first, in order to support old SLOF releases and to allow updates of the spidernet firmware without reflashing the system. From: Jens Osterkamp Signed-off-by: Jens Osterkamp Signed-off-by: Arnd Bergmann Signed-off-by: Jeff Garzik --- diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c index 2154469678b..94e238f6ed3 100644 --- a/drivers/net/spider_net.c +++ b/drivers/net/spider_net.c @@ -1895,16 +1895,27 @@ spider_net_download_firmware(struct spider_net_card *card, static int spider_net_init_firmware(struct spider_net_card *card) { - const struct firmware *firmware; + struct firmware *firmware; + struct device_node *dn; + u8 *fw_prop; int err = -EIO; - if (request_firmware(&firmware, + if (request_firmware((const struct firmware **)&firmware, SPIDER_NET_FIRMWARE_NAME, &card->pdev->dev) < 0) { if (netif_msg_probe(card)) pr_err("Couldn't read in sequencer data file %s.\n", SPIDER_NET_FIRMWARE_NAME); - firmware = NULL; - goto out; + + dn = pci_device_to_OF_node(card->pdev); + if (!dn) + goto out; + + fw_prop = (u8 *)get_property(dn, "firmware", NULL); + if (!fw_prop) + goto out; + + memcpy(firmware->data, fw_prop, 6 * SPIDER_NET_FIRMWARE_LEN * sizeof(u32)); + firmware->size = 6 * SPIDER_NET_FIRMWARE_LEN * sizeof(u32); } if (firmware->size != 6 * SPIDER_NET_FIRMWARE_LEN * sizeof(u32)) {