diff options
Diffstat (limited to 'target/linux/mediatek/patches-4.14/0158-mmc-mediatek-add-latch-ck-support.patch')
| -rw-r--r-- | target/linux/mediatek/patches-4.14/0158-mmc-mediatek-add-latch-ck-support.patch | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/target/linux/mediatek/patches-4.14/0158-mmc-mediatek-add-latch-ck-support.patch b/target/linux/mediatek/patches-4.14/0158-mmc-mediatek-add-latch-ck-support.patch deleted file mode 100644 index bd86ab53a7..0000000000 --- a/target/linux/mediatek/patches-4.14/0158-mmc-mediatek-add-latch-ck-support.patch +++ /dev/null @@ -1,45 +0,0 @@ -From de14d1d0dc7ecf5c3e7e2a591b4f14e688fa52e6 Mon Sep 17 00:00:00 2001 -From: Chaotian Jing <chaotian.jing@mediatek.com> -Date: Mon, 16 Oct 2017 09:46:37 +0800 -Subject: [PATCH 158/224] mmc: mediatek: add latch-ck support - -some platform(eg.mt2701) does not support "stop clk fix", in -this case, need set correct latch-ck to avoid crc error caused -by stop clock block-internally. - -Signed-off-by: Chaotian Jing <chaotian.jing@mediatek.com> -Tested-by: Sean Wang <sean.wang@mediatek.com> -Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> ---- - drivers/mmc/host/mtk-sd.c | 6 ++++++ - 1 file changed, 6 insertions(+) - ---- a/drivers/mmc/host/mtk-sd.c -+++ b/drivers/mmc/host/mtk-sd.c -@@ -380,6 +380,7 @@ struct msdc_host { - u32 sclk; /* SD/MS bus clock frequency */ - unsigned char timing; - bool vqmmc_enabled; -+ u32 latch_ck; - u32 hs400_ds_delay; - u32 hs200_cmd_int_delay; /* cmd internal delay for HS200/SDR104 */ - u32 hs400_cmd_int_delay; /* cmd internal delay for HS400 */ -@@ -1664,6 +1665,8 @@ static int msdc_tune_data(struct mmc_hos - u32 tune_reg = host->dev_comp->pad_tune_reg; - int i, ret; - -+ sdr_set_field(host->base + MSDC_PATCH_BIT, MSDC_INT_DAT_LATCH_CK_SEL, -+ host->latch_ck); - sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_DSPL); - sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_W_DSPL); - for (i = 0 ; i < PAD_DELAY_MAX; i++) { -@@ -1776,6 +1779,9 @@ static const struct mmc_host_ops mt_msdc - static void msdc_of_property_parse(struct platform_device *pdev, - struct msdc_host *host) - { -+ of_property_read_u32(pdev->dev.of_node, "mediatek,latch-ck", -+ &host->latch_ck); -+ - of_property_read_u32(pdev->dev.of_node, "hs400-ds-delay", - &host->hs400_ds_delay); - |