diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0099-mmc-sdhci-Export-sdhci-tuning-function-symbol.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0099-mmc-sdhci-Export-sdhci-tuning-function-symbol.patch | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0099-mmc-sdhci-Export-sdhci-tuning-function-symbol.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0099-mmc-sdhci-Export-sdhci-tuning-function-symbol.patch new file mode 100644 index 00000000..ed092c65 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71-e3000/0099-mmc-sdhci-Export-sdhci-tuning-function-symbol.patch @@ -0,0 +1,91 @@ +From d988bfe2ade0b5c288f350708a8cc3e916b5f286 Mon Sep 17 00:00:00 2001 +From: "ernest.zhang" <ernest.zhang@bayhubtech.com> +Date: Mon, 16 Jul 2018 14:26:53 +0800 +Subject: [PATCH 099/131] mmc: sdhci: Export sdhci tuning function symbol + +Export sdhci tuning function symbols which are used by other SD Host +controller driver modules. + +Signed-off-by: ernest.zhang <ernest.zhang@bayhubtech.com> +Acked-by: Adrian Hunter <adrian.hunter@intel.com> +Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> +Signed-off-by: Sudheesh Mavila <sudheesh.mavila@amd.com> +--- + drivers/mmc/host/sdhci.c | 12 ++++++++---- + drivers/mmc/host/sdhci.h | 5 +++++ + 2 files changed, 13 insertions(+), 4 deletions(-) + +diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c +index d35deb7..9b65a38 100644 +--- a/drivers/mmc/host/sdhci.c ++++ b/drivers/mmc/host/sdhci.c +@@ -2027,7 +2027,7 @@ static int sdhci_prepare_hs400_tuning(struct mmc_host *mmc, struct mmc_ios *ios) + return 0; + } + +-static void sdhci_start_tuning(struct sdhci_host *host) ++void sdhci_start_tuning(struct sdhci_host *host) + { + u16 ctrl; + +@@ -2050,14 +2050,16 @@ static void sdhci_start_tuning(struct sdhci_host *host) + sdhci_writel(host, SDHCI_INT_DATA_AVAIL, SDHCI_INT_ENABLE); + sdhci_writel(host, SDHCI_INT_DATA_AVAIL, SDHCI_SIGNAL_ENABLE); + } ++EXPORT_SYMBOL_GPL(sdhci_start_tuning); + +-static void sdhci_end_tuning(struct sdhci_host *host) ++void sdhci_end_tuning(struct sdhci_host *host) + { + sdhci_writel(host, host->ier, SDHCI_INT_ENABLE); + sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE); + } ++EXPORT_SYMBOL_GPL(sdhci_end_tuning); + +-static void sdhci_reset_tuning(struct sdhci_host *host) ++void sdhci_reset_tuning(struct sdhci_host *host) + { + u16 ctrl; + +@@ -2066,6 +2068,7 @@ static void sdhci_reset_tuning(struct sdhci_host *host) + ctrl &= ~SDHCI_CTRL_EXEC_TUNING; + sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2); + } ++EXPORT_SYMBOL_GPL(sdhci_reset_tuning); + + static void sdhci_abort_tuning(struct sdhci_host *host, u32 opcode) + { +@@ -2086,7 +2089,7 @@ static void sdhci_abort_tuning(struct sdhci_host *host, u32 opcode) + * interrupt setup is different to other commands and there is no timeout + * interrupt so special handling is needed. + */ +-static void sdhci_send_tuning(struct sdhci_host *host, u32 opcode) ++void sdhci_send_tuning(struct sdhci_host *host, u32 opcode) + { + struct mmc_host *mmc = host->mmc; + struct mmc_command cmd = {}; +@@ -2136,6 +2139,7 @@ static void sdhci_send_tuning(struct sdhci_host *host, u32 opcode) + msecs_to_jiffies(50)); + + } ++EXPORT_SYMBOL_GPL(sdhci_send_tuning); + + static void __sdhci_execute_tuning(struct sdhci_host *host, u32 opcode) + { +diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h +index 1d7d61e..6386709 100644 +--- a/drivers/mmc/host/sdhci.h ++++ b/drivers/mmc/host/sdhci.h +@@ -733,4 +733,9 @@ bool sdhci_cqe_irq(struct sdhci_host *host, u32 intmask, int *cmd_error, + + void sdhci_dumpregs(struct sdhci_host *host); + ++void sdhci_start_tuning(struct sdhci_host *host); ++void sdhci_end_tuning(struct sdhci_host *host); ++void sdhci_reset_tuning(struct sdhci_host *host); ++void sdhci_send_tuning(struct sdhci_host *host, u32 opcode); ++ + #endif /* __SDHCI_HW_H */ +-- +2.7.4 + |