From: Faiz Abbas <faiz_abbas@ti.com>
To: <linux-kernel@vger.kernel.org>, <linux-mmc@vger.kernel.org>
Cc: <ulf.hansson@linaro.org>, <kishon@ti.com>,
<adrian.hunter@intel.com>, <faiz_abbas@ti.com>
Subject: [PATCH 2/4] mmc: sdhci-omap: Add variable to indicate host is tuning
Date: Mon, 19 Nov 2018 16:46:16 +0530 [thread overview]
Message-ID: <20181119111618.2745-3-faiz_abbas@ti.com> (raw)
In-Reply-To: <20181119111618.2745-1-faiz_abbas@ti.com>
Add a variable in sdhc_omap_host to indicate whether a tuning
operation is ongoing.
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
---
drivers/mmc/host/sdhci-omap.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/mmc/host/sdhci-omap.c b/drivers/mmc/host/sdhci-omap.c
index 87138067e334..cfffcf58be3f 100644
--- a/drivers/mmc/host/sdhci-omap.c
+++ b/drivers/mmc/host/sdhci-omap.c
@@ -115,6 +115,7 @@ struct sdhci_omap_host {
struct pinctrl *pinctrl;
struct pinctrl_state **pinctrl_state;
+ bool is_tuning;
};
static void sdhci_omap_start_clock(struct sdhci_omap_host *omap_host);
@@ -318,6 +319,8 @@ static int sdhci_omap_execute_tuning(struct mmc_host *mmc, u32 opcode)
*/
host->ier &= ~SDHCI_INT_DATA_CRC;
+ omap_host->is_tuning = true;
+
while (phase_delay <= MAX_PHASE_DELAY) {
sdhci_omap_set_dll(omap_host, phase_delay);
@@ -355,9 +358,12 @@ static int sdhci_omap_execute_tuning(struct mmc_host *mmc, u32 opcode)
phase_delay = max_window + 4 * (max_len >> 1);
sdhci_omap_set_dll(omap_host, phase_delay);
+ omap_host->is_tuning = false;
+
goto ret;
tuning_error:
+ omap_host->is_tuning = false;
dev_err(dev, "Tuning failed\n");
sdhci_omap_disable_tuning(omap_host);
--
2.19.1
next prev parent reply other threads:[~2018-11-19 11:14 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-19 11:16 [PATCH 0/4] Tuning Fixes for sdhci-omap Faiz Abbas
2018-11-19 11:16 ` [PATCH 1/4] mmc: sdhci-omap: Fix DCRC error handling during tuning Faiz Abbas
2018-11-19 13:18 ` Ulf Hansson
2018-11-20 7:28 ` Faiz Abbas
2018-11-20 4:53 ` Kishon Vijay Abraham I
2018-11-21 9:39 ` Faiz Abbas
2018-11-19 11:16 ` Faiz Abbas [this message]
2018-11-19 13:18 ` [PATCH 2/4] mmc: sdhci-omap: Add variable to indicate host is tuning Ulf Hansson
2018-11-20 12:58 ` Faiz Abbas
2018-11-19 11:16 ` [PATCH 3/4] mmc: sdhci-omap: Add platform specific reset callback Faiz Abbas
2018-11-20 5:00 ` Kishon Vijay Abraham I
2018-11-19 11:16 ` [PATCH 4/4] mmc: sdhci-omap: Remove redundant structure assignments Faiz Abbas
2018-11-20 5:01 ` Kishon Vijay Abraham I
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