diff options
Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.26/1251-My-GTA01-2.6.26-kernel-was-crashing-within-mmc_power.patch')
| -rwxr-xr-x | target/linux/s3c24xx/patches-2.6.26/1251-My-GTA01-2.6.26-kernel-was-crashing-within-mmc_power.patch | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.26/1251-My-GTA01-2.6.26-kernel-was-crashing-within-mmc_power.patch b/target/linux/s3c24xx/patches-2.6.26/1251-My-GTA01-2.6.26-kernel-was-crashing-within-mmc_power.patch deleted file mode 100755 index e312075b23..0000000000 --- a/target/linux/s3c24xx/patches-2.6.26/1251-My-GTA01-2.6.26-kernel-was-crashing-within-mmc_power.patch +++ /dev/null @@ -1,108 +0,0 @@ -From 0733a2e1b598dec898fef5066b737764170aaf62 Mon Sep 17 00:00:00 2001 -From: Andy Green <agreen@pads.home.warmcat.com> -Date: Sun, 10 Aug 2008 09:27:16 +0100 -Subject: [PATCH] My GTA01 2.6.26 kernel was crashing within mmc_power_up(), at the first - call to mmc_set_ios(host), due to host->ops being NULL. mmc_power_up() - was being called by mmc_rescan(). - -The only possible call path I can imagine for that is s3cmci_irq_cd -getting called before host->ops is set, thus calling mmc_detect_change() -which will schedule host->detect which is mmc_rescan. - -This patch avoids the problem by moving the enable of the gpio_detect -interrupt to just before calling mmc_add_host(), where everything else -is already set up. - -Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net> ---- - drivers/mmc/host/s3cmci.c | 34 +++++++++++++++++----------------- - 1 files changed, 17 insertions(+), 17 deletions(-) - -diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c -index 9ef4d5b..107847a 100644 ---- a/drivers/mmc/host/s3cmci.c -+++ b/drivers/mmc/host/s3cmci.c -@@ -1226,17 +1226,6 @@ static int s3cmci_probe(struct platform_device *pdev, int is2440) - - disable_irq(host->irq); - -- s3c2410_gpio_cfgpin(host->pdata->gpio_detect, S3C2410_GPIO_IRQ); -- set_irq_type(host->irq_cd, IRQT_BOTHEDGE); -- -- if (request_irq(host->irq_cd, s3cmci_irq_cd, 0, DRIVER_NAME, host)) { -- dev_err(&pdev->dev, -- "failed to request card detect interrupt.\n"); -- -- ret = -ENOENT; -- goto probe_free_irq; -- } -- - if (host->pdata->gpio_wprotect) - s3c2410_gpio_cfgpin(host->pdata->gpio_wprotect, - S3C2410_GPIO_INPUT); -@@ -1244,7 +1233,7 @@ static int s3cmci_probe(struct platform_device *pdev, int is2440) - if (s3c2410_dma_request(host->dma, &s3cmci_dma_client, NULL)) { - dev_err(&pdev->dev, "unable to get DMA channel.\n"); - ret = -EBUSY; -- goto probe_free_irq_cd; -+ goto probe_free_irq; - } - - host->clk = clk_get(&pdev->dev, "sdi"); -@@ -1281,10 +1270,21 @@ static int s3cmci_probe(struct platform_device *pdev, int is2440) - "irq_cd:%u dma:%u.\n", (host->is2440?"2440":""), - host->base, host->irq, host->irq_cd, host->dma); - -+ s3c2410_gpio_cfgpin(host->pdata->gpio_detect, S3C2410_GPIO_IRQ); -+ set_irq_type(host->irq_cd, IRQT_BOTHEDGE); -+ -+ if (request_irq(host->irq_cd, s3cmci_irq_cd, 0, DRIVER_NAME, host)) { -+ dev_err(&pdev->dev, -+ "failed to request card detect interrupt.\n"); -+ -+ ret = -ENOENT; -+ goto probe_disable_clk; -+ } -+ - ret = mmc_add_host(mmc); - if (ret) { - dev_err(&pdev->dev, "failed to add mmc host.\n"); -- goto probe_disable_clk; -+ goto probe_free_irq_cd; - } - - platform_set_drvdata(pdev, mmc); -@@ -1292,15 +1292,15 @@ static int s3cmci_probe(struct platform_device *pdev, int is2440) - dev_info(&pdev->dev, "initialisation done.\n"); - return 0; - -+ probe_free_irq_cd: -+ free_irq(host->irq_cd, host); -+ - probe_disable_clk: - clk_disable(host->clk); - - probe_free_clk: - clk_put(host->clk); - -- probe_free_irq_cd: -- free_irq(host->irq_cd, host); -- - probe_free_dma: - s3c2410_dma_free(host->dma, &s3cmci_dma_client); - -@@ -1325,10 +1325,10 @@ static int s3cmci_remove(struct platform_device *pdev) - struct s3cmci_host *host = mmc_priv(mmc); - - mmc_remove_host(mmc); -+ free_irq(host->irq_cd, host); - clk_disable(host->clk); - clk_put(host->clk); - s3c2410_dma_free(host->dma, &s3cmci_dma_client); -- free_irq(host->irq_cd, host); - free_irq(host->irq, host); - iounmap(host->base); - release_mem_region(host->mem->start, RESSIZE(host->mem)); --- -1.5.6.3 - |