diff options
Diffstat (limited to 'target/linux/s3c24xx/patches/0130-From-cc08b5986dfd8d971ee46ce7045fb7863f99a92a-Mon-Se.patch')
| -rwxr-xr-x | target/linux/s3c24xx/patches/0130-From-cc08b5986dfd8d971ee46ce7045fb7863f99a92a-Mon-Se.patch | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/patches/0130-From-cc08b5986dfd8d971ee46ce7045fb7863f99a92a-Mon-Se.patch b/target/linux/s3c24xx/patches/0130-From-cc08b5986dfd8d971ee46ce7045fb7863f99a92a-Mon-Se.patch new file mode 100755 index 0000000000..c37e6fc0b5 --- /dev/null +++ b/target/linux/s3c24xx/patches/0130-From-cc08b5986dfd8d971ee46ce7045fb7863f99a92a-Mon-Se.patch @@ -0,0 +1,121 @@ +From 348e7db53a04b7d98e0f63f372b86882a995d3c8 Mon Sep 17 00:00:00 2001 +From: Matt Hsu <matt_hsu@openmoko.org> +Date: Fri, 25 Jul 2008 23:06:07 +0100 +Subject: [PATCH] From cc08b5986dfd8d971ee46ce7045fb7863f99a92a Mon Sep 17 00:00:00 2001 + Subject: [PATCH] - add suspend/resume function of s3c24xx_hcd driver + +Signed-off-by: Matt Hsu <matt_hsu@openmoko.org> +--- + drivers/sdio/hcd/s3c24xx/s3c24xx_hcd.c | 65 ++++++++++++++++++++++++++++++++ + drivers/sdio/hcd/s3c24xx/s3c24xx_hcd.h | 14 +++++++ + 2 files changed, 79 insertions(+), 0 deletions(-) + +diff --git a/drivers/sdio/hcd/s3c24xx/s3c24xx_hcd.c b/drivers/sdio/hcd/s3c24xx/s3c24xx_hcd.c +index af0066d..fdc69a0 100644 +--- a/drivers/sdio/hcd/s3c24xx/s3c24xx_hcd.c ++++ b/drivers/sdio/hcd/s3c24xx/s3c24xx_hcd.c +@@ -1365,11 +1365,76 @@ static int s3c24xx_hcd_remove(struct platform_device * pdev) { + return 0; + } + ++#ifdef CONFIG_PM ++ ++static int s3c24xx_hcd_suspend(struct platform_device * pdev) ++{ ++ struct s3c24xx_hcd_context * context = &hcd_context; ++ unsigned long flags; ++ ++ spin_lock_irqsave(&context->lock, flags); ++ ++ context->suspend_regs.con = readl(context->base + S3C2410_SDICON); ++ context->suspend_regs.pre = readl(context->base + S3C2410_SDIPRE); ++ context->suspend_regs.cmdarg = readl(context->base + S3C2410_SDICMDARG); ++ context->suspend_regs.cmdcon = readl(context->base + S3C2410_SDICMDCON); ++ context->suspend_regs.cmdsta = readl(context->base + S3C2410_SDICMDSTAT); ++ context->suspend_regs.r0 = readl(context->base + S3C2410_SDIRSP0); ++ context->suspend_regs.r1 = readl(context->base + S3C2410_SDIRSP1); ++ context->suspend_regs.r2 = readl(context->base + S3C2410_SDIRSP2); ++ context->suspend_regs.r3 = readl(context->base + S3C2410_SDIRSP3); ++ context->suspend_regs.timer = readl(context->base + S3C2410_SDITIMER); ++ context->suspend_regs.bsize = readl(context->base + S3C2410_SDIBSIZE); ++ context->suspend_regs.datcon = readl(context->base + S3C2410_SDIDCON); ++ context->suspend_regs.datcnt = readl(context->base + S3C2410_SDIDCNT); ++ context->suspend_regs.datsta = readl(context->base + S3C2410_SDIDSTA); ++ context->suspend_regs.fsta = readl(context->base + S3C2410_SDIFSTA); ++ context->suspend_regs.imask = readl(context->base + S3C2440_SDIIMSK); ++ ++ spin_unlock_irqrestore(&context->lock, flags); ++ return 0; ++} ++ ++static int s3c24xx_hcd_resume(struct platform_device * pdev) ++{ ++ struct s3c24xx_hcd_context * context = &hcd_context; ++ unsigned long flags; ++ ++ spin_lock_irqsave(&context->lock, flags); ++ ++ writel(context->suspend_regs.con, context->base + S3C2410_SDICON); ++ writel(context->suspend_regs.pre, context->base + S3C2410_SDIPRE); ++ writel(context->suspend_regs.cmdarg, context->base + S3C2410_SDICMDARG); ++ writel(context->suspend_regs.cmdcon, context->base + S3C2410_SDICMDCON); ++ writel(context->suspend_regs.cmdsta, context->base + S3C2410_SDICMDSTAT); ++ writel(context->suspend_regs.r0, context->base + S3C2410_SDIRSP0); ++ writel(context->suspend_regs.r1, context->base + S3C2410_SDIRSP1); ++ writel(context->suspend_regs.r2, context->base + S3C2410_SDIRSP2); ++ writel(context->suspend_regs.r3, context->base + S3C2410_SDIRSP3); ++ writel(context->suspend_regs.timer, context->base + S3C2410_SDITIMER); ++ writel(context->suspend_regs.bsize, context->base + S3C2410_SDIBSIZE); ++ writel(context->suspend_regs.datcon, context->base + S3C2410_SDIDCON); ++ writel(context->suspend_regs.datcnt, context->base + S3C2410_SDIDCNT); ++ writel(context->suspend_regs.datsta, context->base + S3C2410_SDIDSTA); ++ writel(context->suspend_regs.fsta, context->base + S3C2410_SDIFSTA); ++ writel(context->suspend_regs.imask, context->base + S3C2440_SDIIMSK); ++ ++ spin_unlock_irqrestore(&context->lock, flags); ++ return 0; ++} ++ ++#else ++#define s3c24xx_hcd_suspend = NULL ++#define s3c24xx_hcd_resume = NULL ++#endif ++ + static struct platform_driver s3c24xx_hcd_sdio = + { + .driver.name = "s3c24xx-sdio", + .probe = s3c24xx_hcd_probe, + .remove = s3c24xx_hcd_remove, ++ .suspend = s3c24xx_hcd_suspend, ++ .resume = s3c24xx_hcd_resume, + }; + + #ifdef CONFIG_DEBUG_FS +diff --git a/drivers/sdio/hcd/s3c24xx/s3c24xx_hcd.h b/drivers/sdio/hcd/s3c24xx/s3c24xx_hcd.h +index eb262fc..47fdd33 100644 +--- a/drivers/sdio/hcd/s3c24xx/s3c24xx_hcd.h ++++ b/drivers/sdio/hcd/s3c24xx/s3c24xx_hcd.h +@@ -57,6 +57,20 @@ struct s3c24xx_hcd_context { + + struct work_struct io_work; + struct work_struct irq_work; ++ ++#ifdef CONFIG_PM ++ struct { ++ UINT32 con; ++ UINT32 pre; ++ UINT32 cmdarg, cmdcon, cmdsta; ++ UINT32 r0, r1, r2, r3; ++ UINT32 timer; ++ UINT32 bsize; ++ UINT32 datcon, datcnt, datsta; ++ UINT32 fsta; ++ UINT32 imask; ++ } suspend_regs; ++#endif + }; + + SDIO_STATUS s3c24xx_hcd_config(PSDHCD hcd, PSDCONFIG config); +-- +1.5.6.3 + |