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From: Wolfram Sang <wsa+renesas@sang-engineering.com>
To: linux-mmc@vger.kernel.org
Cc: linux-renesas-soc@vger.kernel.org,
	Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>,
	Wolfram Sang <wsa+renesas@sang-engineering.com>
Subject: [PATCH 1/2] mmc: tmio: add generic hook to fixup after a completed request
Date: Fri,  5 Jun 2020 12:12:21 +0200	[thread overview]
Message-ID: <20200605101222.10783-2-wsa+renesas@sang-engineering.com> (raw)
In-Reply-To: <20200605101222.10783-1-wsa+renesas@sang-engineering.com>

Sadly, due to HW bugs, we need a callback to work around issues just
before completing the request.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---
 drivers/mmc/host/tmio_mmc.h      | 1 +
 drivers/mmc/host/tmio_mmc_core.c | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h
index b4cf10109162..766a6116a9d1 100644
--- a/drivers/mmc/host/tmio_mmc.h
+++ b/drivers/mmc/host/tmio_mmc.h
@@ -177,6 +177,7 @@ struct tmio_mmc_host {
 	void (*reset)(struct tmio_mmc_host *host);
 	void (*hw_reset)(struct tmio_mmc_host *host);
 	bool (*check_retune)(struct tmio_mmc_host *host);
+	void (*fixup_request)(struct tmio_mmc_host *host, struct mmc_request *mrq);
 
 	/*
 	 * Mandatory callback for tuning to occur which is optional for SDR50
diff --git a/drivers/mmc/host/tmio_mmc_core.c b/drivers/mmc/host/tmio_mmc_core.c
index d7fde57c78c1..1672c849f78a 100644
--- a/drivers/mmc/host/tmio_mmc_core.c
+++ b/drivers/mmc/host/tmio_mmc_core.c
@@ -827,6 +827,9 @@ static void tmio_mmc_finish_request(struct tmio_mmc_host *host)
 		return;
 	}
 
+	if (host->fixup_request)
+		host->fixup_request(host, mrq);
+
 	mmc_request_done(host->mmc, mrq);
 }
 
-- 
2.20.1


  reply	other threads:[~2020-06-05 10:12 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-05 10:12 [PATCH 0/2] mmc: renesas_sdhi: support manual calibration Wolfram Sang
2020-06-05 10:12 ` Wolfram Sang [this message]
2020-06-05 10:12 ` [PATCH 2/2] " Wolfram Sang
2020-08-31  6:22   ` Yoshihiro Shimoda
2020-08-31 11:41     ` Wolfram Sang
2020-06-16 11:32 ` [PATCH 0/2] " Ulf Hansson
2020-06-18  5:39   ` Wolfram Sang

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