openwrtv4/target/linux/mediatek/patches-4.14/0155-mmc-mediatek-add-busy_check-support.patch
Stijn Tintel 64b53247c4 kernel: bump 4.14 to 4.14.44
Refresh patches.

Remove upstreamed patch:
generic/pending/181-net-usb-add-lte-modem-wistron-neweb-d18q1.patch
Update patches that no longer applies:
generic/hack/901-debloat_sock_diag.patch

Compile-tested on: x86/64.
Runtime-tested on: x86/64.

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
2018-05-29 00:53:15 +03:00

67 lines
2.1 KiB
Diff

From 788d269aee4c612d5cd97b896ea5d22f19137097 Mon Sep 17 00:00:00 2001
From: Chaotian Jing <chaotian.jing@mediatek.com>
Date: Mon, 16 Oct 2017 09:46:34 +0800
Subject: [PATCH 155/224] mmc: mediatek: add busy_check support
bit7 of PATCH_BIT1 has different meaning in new design, to
compatible with previous platform, clear this bit in new
platform.
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 | 7 +++++++
1 file changed, 7 insertions(+)
--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -316,6 +316,7 @@ struct mtk_mmc_compatible {
u32 pad_tune_reg;
bool async_fifo;
bool data_tune;
+ bool busy_check;
};
struct msdc_tune_para {
@@ -380,6 +381,7 @@ static const struct mtk_mmc_compatible m
.pad_tune_reg = MSDC_PAD_TUNE,
.async_fifo = false,
.data_tune = false,
+ .busy_check = false,
};
static const struct mtk_mmc_compatible mt8173_compat = {
@@ -388,6 +390,7 @@ static const struct mtk_mmc_compatible m
.pad_tune_reg = MSDC_PAD_TUNE,
.async_fifo = false,
.data_tune = false,
+ .busy_check = false,
};
static const struct mtk_mmc_compatible mt2701_compat = {
@@ -396,6 +399,7 @@ static const struct mtk_mmc_compatible m
.pad_tune_reg = MSDC_PAD_TUNE0,
.async_fifo = true,
.data_tune = true,
+ .busy_check = false,
};
static const struct mtk_mmc_compatible mt2712_compat = {
@@ -404,6 +408,7 @@ static const struct mtk_mmc_compatible m
.pad_tune_reg = MSDC_PAD_TUNE0,
.async_fifo = true,
.data_tune = true,
+ .busy_check = true,
};
static const struct of_device_id msdc_of_ids[] = {
@@ -1275,6 +1280,8 @@ static void msdc_init_hw(struct msdc_hos
sdr_set_field(host->base + MSDC_PATCH_BIT, MSDC_CKGEN_MSDC_DLY_SEL, 1);
writel(0xffff4089, host->base + MSDC_PATCH_BIT1);
sdr_set_bits(host->base + EMMC50_CFG0, EMMC50_CFG_CFCSTS_SEL);
+ if (host->dev_comp->busy_check)
+ sdr_clr_bits(host->base + MSDC_PATCH_BIT1, (1 << 7));
if (host->dev_comp->async_fifo) {
sdr_set_field(host->base + MSDC_PATCH_BIT2,
MSDC_PB2_RESPWAIT, 3);