diff options
Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.24/1184-fix-glamo-mci-resume-dependency-on-pcf50633.patch.patch')
| -rw-r--r-- | target/linux/s3c24xx/patches-2.6.24/1184-fix-glamo-mci-resume-dependency-on-pcf50633.patch.patch | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.24/1184-fix-glamo-mci-resume-dependency-on-pcf50633.patch.patch b/target/linux/s3c24xx/patches-2.6.24/1184-fix-glamo-mci-resume-dependency-on-pcf50633.patch.patch new file mode 100644 index 0000000000..d532467897 --- /dev/null +++ b/target/linux/s3c24xx/patches-2.6.24/1184-fix-glamo-mci-resume-dependency-on-pcf50633.patch.patch @@ -0,0 +1,162 @@ +From b73e3db4efa3409bd3c559d848e71e1519960d07 Mon Sep 17 00:00:00 2001 +From: Andy Green <andy@openmoko.com> +Date: Wed, 2 Jul 2008 22:39:48 +0100 +Subject: [PATCH] fix-glamo-mci-resume-dependency-on-pcf50633.patch + +Glamo MCI has a resume order dependncy on pcf50633, it has to be able to +power the SD slot via it. +Signed-off-by: Andy Green <andy@openmoko.com> +--- + arch/arm/mach-s3c2440/mach-gta02.c | 25 +++++++++++++++++++++++++ + drivers/mfd/glamo/glamo-core.c | 8 ++++++++ + drivers/mfd/glamo/glamo-core.h | 3 +++ + drivers/mfd/glamo/glamo-mci.c | 11 ++++++++++- + include/linux/glamofb.h | 2 ++ + 5 files changed, 48 insertions(+), 1 deletions(-) + +diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c +index 69a952a..64d275d 100644 +--- a/arch/arm/mach-s3c2440/mach-gta02.c ++++ b/arch/arm/mach-s3c2440/mach-gta02.c +@@ -92,6 +92,8 @@ static spinlock_t motion_irq_lock; + struct resume_dependency resume_dep_jbt_pcf; + /* the dependency of jbt / LCM on glamo resume */ + struct resume_dependency resume_dep_jbt_glamo; ++/* the dependency of Glamo MCI on pcf50633 resume (has to power SD slot) */ ++struct resume_dependency resume_dep_glamo_mci_pcf; + + + /* define FIQ IPC struct */ +@@ -1317,6 +1319,26 @@ gta02_glamo_mmc_set_power(unsigned char power_mode, unsigned short vdd) + } + } + ++ ++static int gta02_glamo_mci_all_dependencies_resumed(struct platform_device *dev) ++{ ++ return resume_dep_glamo_mci_pcf.called_flag; ++} ++ ++/* register jbt resume action to be dependent on pcf50633 and glamo resume */ ++ ++static void gta02_glamo_mci_suspending(struct platform_device *dev) ++{ ++ void glamo_mci_resume(void *dev); /* little white lies about types */ ++ ++ resume_dep_glamo_mci_pcf.callback = glamo_mci_resume; ++ resume_dep_glamo_mci_pcf.context = (void *)dev; ++ pcf50633_register_resume_dependency(pcf50633_global, ++ &resume_dep_glamo_mci_pcf); ++} ++ ++ ++ + /* Smedia Glamo 3362 */ + + static struct glamofb_platform_data gta02_glamo_pdata = { +@@ -1352,6 +1374,9 @@ static struct glamofb_platform_data gta02_glamo_pdata = { + /* glamo MMC function platform data */ + .glamo_set_mci_power = gta02_glamo_mmc_set_power, + .glamo_irq_is_wired = glamo_irq_is_wired, ++ .mci_suspending = gta02_glamo_mci_suspending, ++ .mci_all_dependencies_resumed = ++ gta02_glamo_mci_all_dependencies_resumed, + }; + + static struct resource gta02_glamo_resources[] = { +diff --git a/drivers/mfd/glamo/glamo-core.c b/drivers/mfd/glamo/glamo-core.c +index 4925e62..608721e 100644 +--- a/drivers/mfd/glamo/glamo-core.c ++++ b/drivers/mfd/glamo/glamo-core.c +@@ -270,6 +270,8 @@ struct glamo_mci_pdata glamo_mci_def_pdata = { + .glamo_set_mci_power = NULL, /* filled in from MFD platform data */ + .ocr_avail = MMC_VDD_32_33, + .glamo_irq_is_wired = NULL, /* filled in from MFD platform data */ ++ .mci_suspending = NULL, /* filled in from MFD platform data */ ++ .mci_all_dependencies_resumed = NULL, /* filled in from MFD platform data */ + }; + EXPORT_SYMBOL_GPL(glamo_mci_def_pdata); + +@@ -1111,6 +1113,10 @@ static int __init glamo_probe(struct platform_device *pdev) + glamo->pdata->glamo_set_mci_power; + glamo_mci_def_pdata.glamo_irq_is_wired = + glamo->pdata->glamo_irq_is_wired; ++ glamo_mci_def_pdata.mci_suspending = ++ glamo->pdata->mci_suspending; ++ glamo_mci_def_pdata.mci_all_dependencies_resumed = ++ glamo->pdata->mci_all_dependencies_resumed; + + glamo_2d_dev.dev.parent = &pdev->dev; + mangle_mem_resources(glamo_2d_dev.resource, +@@ -1180,6 +1186,8 @@ static int __init glamo_probe(struct platform_device *pdev) + glamo_pll_rate(glamo, GLAMO_PLL1), + glamo_pll_rate(glamo, GLAMO_PLL2)); + ++ glamo_lcm_reset(1); ++ + for (irq = IRQ_GLAMO(0); irq <= IRQ_GLAMO(8); irq++) { + set_irq_chip(irq, &glamo_irq_chip); + set_irq_handler(irq, handle_level_irq); +diff --git a/drivers/mfd/glamo/glamo-core.h b/drivers/mfd/glamo/glamo-core.h +index 1fee059..b1531b3 100644 +--- a/drivers/mfd/glamo/glamo-core.h ++++ b/drivers/mfd/glamo/glamo-core.h +@@ -71,6 +71,9 @@ struct glamo_mci_pdata { + void (*glamo_set_mci_power)(unsigned char power_mode, + unsigned short vdd); + int (*glamo_irq_is_wired)(void); ++ void (*mci_suspending)(struct platform_device *dev); ++ int (*mci_all_dependencies_resumed)(struct platform_device *dev); ++ + }; + + +diff --git a/drivers/mfd/glamo/glamo-mci.c b/drivers/mfd/glamo/glamo-mci.c +index 7869325..f264a6c 100644 +--- a/drivers/mfd/glamo/glamo-mci.c ++++ b/drivers/mfd/glamo/glamo-mci.c +@@ -817,18 +817,27 @@ static int glamo_mci_suspend(struct platform_device *dev, pm_message_t state) + struct glamo_mci_host *host = mmc_priv(mmc); + + host->suspending++; ++ if (host->pdata->mci_all_dependencies_resumed) ++ (host->pdata->mci_suspending)(dev); ++ + return mmc_suspend_host(mmc, state); + } + +-static int glamo_mci_resume(struct platform_device *dev) ++int glamo_mci_resume(struct platform_device *dev) + { + struct mmc_host *mmc = platform_get_drvdata(dev); + struct glamo_mci_host *host = mmc_priv(mmc); + ++ if (host->pdata->mci_all_dependencies_resumed) ++ if (!(host->pdata->mci_all_dependencies_resumed)(dev)) ++ return 0; ++ + host->suspending--; + + return mmc_resume_host(mmc); + } ++EXPORT_SYMBOL_GPL(glamo_mci_resume); ++ + + #else /* CONFIG_PM */ + #define glamo_mci_suspend NULL +diff --git a/include/linux/glamofb.h b/include/linux/glamofb.h +index bb4ed0a..bb1a398 100644 +--- a/include/linux/glamofb.h ++++ b/include/linux/glamofb.h +@@ -32,6 +32,8 @@ struct glamofb_platform_data { + void (*glamo_set_mci_power)(unsigned char power_mode, + unsigned short vdd); + int (*glamo_irq_is_wired)(void); ++ void (*mci_suspending)(struct platform_device *dev); ++ int (*mci_all_dependencies_resumed)(struct platform_device *dev); + }; + + int glamofb_cmd_mode(struct glamofb_handle *gfb, int on); +-- +1.5.6.5 + |