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Groups > linux.kernel > #1443214
| From | Shawn Lin <shawn.lin@rock-chips.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2 2/2] mmc: core: expose MMC_CAP2_NO_* to dt |
| Date | 2016-07-14 10:30 +0200 |
| Message-ID | <rUKbX-7dQ-127@gated-at.bofh.it> (permalink) |
| References | <rUKbX-7dQ-129@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
The reason for why we expose these to dt is that some of
the controller is unable to send special cmd type due to
the hw limitation.
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
---
Changes in v2:
- amend the commit msg
drivers/mmc/core/host.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index d7e86f9..98f25ff 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -315,6 +315,12 @@ int mmc_of_parse(struct mmc_host *host)
host->caps2 |= MMC_CAP2_HS400_1_2V | MMC_CAP2_HS200_1_2V_SDR;
if (of_property_read_bool(np, "mmc-hs400-enhanced-strobe"))
host->caps2 |= MMC_CAP2_HS400_ES;
+ if (of_property_read_bool(np, "no-sdio"))
+ host->caps2 |= MMC_CAP2_NO_SDIO;
+ if (of_property_read_bool(np, "no-sd"))
+ host->caps2 |= MMC_CAP2_NO_SD;
+ if (of_property_read_bool(np, "no-mmc"))
+ host->caps2 |= MMC_CAP2_NO_MMC;
host->dsr_req = !of_property_read_u32(np, "dsr", &host->dsr);
if (host->dsr_req && (host->dsr & ~0xffff)) {
--
2.3.7
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[PATCH v2 2/2] mmc: core: expose MMC_CAP2_NO_* to dt Shawn Lin <shawn.lin@rock-chips.com> - 2016-07-14 10:30 +0200 Re: [PATCH v2 2/2] mmc: core: expose MMC_CAP2_NO_* to dt Ulf Hansson <ulf.hansson@linaro.org> - 2016-07-18 13:30 +0200
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