diff options
Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.24/1285-fix-glamo-idleclock-around-suspend.patch.patch')
-rw-r--r-- | target/linux/s3c24xx/patches-2.6.24/1285-fix-glamo-idleclock-around-suspend.patch.patch | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.24/1285-fix-glamo-idleclock-around-suspend.patch.patch b/target/linux/s3c24xx/patches-2.6.24/1285-fix-glamo-idleclock-around-suspend.patch.patch deleted file mode 100644 index 0f1c0a0266..0000000000 --- a/target/linux/s3c24xx/patches-2.6.24/1285-fix-glamo-idleclock-around-suspend.patch.patch +++ /dev/null @@ -1,80 +0,0 @@ -From ca19d156400f817960efe0d14680324b2ea34171 Mon Sep 17 00:00:00 2001 -From: Andy Green <andy@openmoko.com> -Date: Wed, 3 Sep 2008 19:39:47 +0800 -Subject: [PATCH] fix-glamo-idleclock-around-suspend.patch - -Possible implementation of SD Card corruption workaround reported here - -https://docs.openmoko.org/trac/ticket/1802#comment:5 - -Signed-off-by: Andy Green <andy@openmoko.com> ---- - drivers/mfd/glamo/glamo-mci.c | 31 ++++++++++++++++++++++++++++++- - 1 files changed, 30 insertions(+), 1 deletions(-) - -diff --git a/drivers/mfd/glamo/glamo-mci.c b/drivers/mfd/glamo/glamo-mci.c -index 577021e..3eece08 100644 ---- a/drivers/mfd/glamo/glamo-mci.c -+++ b/drivers/mfd/glamo/glamo-mci.c -@@ -99,6 +99,8 @@ module_param(sd_drive, int, 0644); - static int sd_idleclk = 0; /* disallow idle clock by default */ - module_param(sd_idleclk, int, 0644); - -+/* used to stash real idleclk state in suspend: we force it to run in there */ -+static int suspend_sd_idleclk; - - - unsigned char CRC7(u8 * pu8, int cnt) -@@ -947,6 +949,27 @@ static int glamo_mci_suspend(struct platform_device *dev, pm_message_t state) - struct glamo_mci_host *host = mmc_priv(mmc); - int ret; - -+ /* -+ * possible workaround for SD corruption during suspend - resume -+ * make sure the clock was running during suspend and consequently -+ * resume -+ */ -+ if (host->pdata->glamo_mci_use_slow) -+ if ((host->pdata->glamo_mci_use_slow)()) -+ __glamo_mci_fix_card_div(host, host->clk_div * -+ sd_slow_ratio); -+ else -+ __glamo_mci_fix_card_div(host, host->clk_div); -+ else -+ __glamo_mci_fix_card_div(host, host->clk_div); -+ -+ /* we are going to do more commands to override this in -+ * mmc_suspend_host(), so we need to change sd_idleclk for the -+ * duration as well -+ */ -+ suspend_sd_idleclk = sd_idleclk; -+ sd_idleclk = 1; -+ - host->suspending++; - if (host->pdata->mci_all_dependencies_resumed) - (host->pdata->mci_suspending)(dev); -@@ -963,6 +986,7 @@ int glamo_mci_resume(struct platform_device *dev) - { - struct mmc_host *mmc = platform_get_drvdata(dev); - struct glamo_mci_host *host = mmc_priv(mmc); -+ int ret; - - if (host->pdata->mci_all_dependencies_resumed) - if (!(host->pdata->mci_all_dependencies_resumed)(dev)) -@@ -970,7 +994,12 @@ int glamo_mci_resume(struct platform_device *dev) - - host->suspending--; - -- return mmc_resume_host(mmc); -+ ret = mmc_resume_host(mmc); -+ -+ /* put sd_idleclk back to pre-suspend state */ -+ sd_idleclk = suspend_sd_idleclk; -+ -+ return ret; - } - EXPORT_SYMBOL_GPL(glamo_mci_resume); - --- -1.5.6.5 - |