openwrt/target/linux/mediatek/patches-4.14/0160-mmc-mediatek-perfer-to-use-rise-edge-latching-for-cm.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

29 lines
1.1 KiB
Diff

From 81fdc4983e33ef01935a9bf01187951aad34e2ac Mon Sep 17 00:00:00 2001
From: Chaotian Jing <chaotian.jing@mediatek.com>
Date: Mon, 16 Oct 2017 09:46:39 +0800
Subject: [PATCH 160/224] mmc: mediatek: perfer to use rise edge latching for
cmd line
data lines have applied to perfer to use rise edge, also need
apply it to cmd line.
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 | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -1550,7 +1550,8 @@ static int msdc_tune_response(struct mmc
}
final_rise_delay = get_best_delay(host, rise_delay);
/* if rising edge has enough margin, then do not scan falling edge */
- if (final_rise_delay.maxlen >= 12 && final_rise_delay.start < 4)
+ if (final_rise_delay.maxlen >= 12 ||
+ (final_rise_delay.start == 0 && final_rise_delay.maxlen >= 4))
goto skip_fall;
sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL);