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Message-Id: <1485473846-24537-7-git-send-email-kraxel@redhat.com>
Date: Fri, 27 Jan 2017 00:37:19 +0100
From: Gerd Hoffmann <kraxel@...hat.com>
To: linux-rpi-kernel@...ts.infradead.org
Cc: Stefan Wahren <stefan.wahren@...e.com>,
Eric Anholt <eric@...olt.net>,
Ulf Hansson <ulf.hansson@...aro.org>,
linux-mmc@...r.kernel.org, Gerd Hoffmann <kraxel@...hat.com>,
Florian Fainelli <f.fainelli@...il.com>,
Ray Jui <rjui@...adcom.com>,
Scott Branden <sbranden@...adcom.com>,
bcm-kernel-feedback-list@...adcom.com (maintainer:BROADCOM
BCM281XX/BCM11XXX/BCM216XX ARM ARCHITE...),
Stephen Warren <swarren@...dotorg.org>,
Lee Jones <lee@...nel.org>,
linux-arm-kernel@...ts.infradead.org (moderated list:BROADCOM BCM2835
ARM ARCHITECTURE), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 06/13] mmc: bcm2835: add bcm2835_check_cmd_error
Signed-off-by: Gerd Hoffmann <kraxel@...hat.com>
---
drivers/mmc/host/bcm2835.c | 58 ++++++++++++++++++++++++++++------------------
1 file changed, 35 insertions(+), 23 deletions(-)
diff --git a/drivers/mmc/host/bcm2835.c b/drivers/mmc/host/bcm2835.c
index 8270c76..33eaebd 100644
--- a/drivers/mmc/host/bcm2835.c
+++ b/drivers/mmc/host/bcm2835.c
@@ -954,6 +954,38 @@ static void bcm2835_timeout(unsigned long data)
spin_unlock_irqrestore(&host->lock, flags);
}
+static bool bcm2835_check_cmd_error(struct bcm2835_host *host, u32 intmask)
+{
+ struct device *dev = &host->pdev->dev;
+
+ if (!(intmask & SDHSTS_ERROR_MASK))
+ return false;
+
+ if (!host->cmd)
+ return true;
+
+ dev_err(dev, "sdhost_busy_irq: intmask %x, data %p\n",
+ intmask, host->mrq->data);
+ if (intmask & SDHSTS_CRC7_ERROR) {
+ host->cmd->error = -EILSEQ;
+ } else if (intmask & (SDHSTS_CRC16_ERROR |
+ SDHSTS_FIFO_ERROR)) {
+ if (host->mrq->data)
+ host->mrq->data->error = -EILSEQ;
+ else
+ host->cmd->error = -EILSEQ;
+ } else if (intmask & SDHSTS_REW_TIME_OUT) {
+ if (host->mrq->data)
+ host->mrq->data->error = -ETIMEDOUT;
+ else
+ host->cmd->error = -ETIMEDOUT;
+ } else if (intmask & SDHSTS_CMD_TIME_OUT) {
+ host->cmd->error = -ETIMEDOUT;
+ }
+ bcm2835_dumpregs(host);
+ return true;
+}
+
static void bcm2835_check_data_error(struct bcm2835_host *host, u32 intmask)
{
if (!host->data)
@@ -983,30 +1015,10 @@ static void bcm2835_busy_irq(struct bcm2835_host *host, u32 intmask)
}
host->use_busy = false;
- if (intmask & SDHSTS_ERROR_MASK) {
- dev_err(dev, "sdhost_busy_irq: intmask %x, data %p\n",
- intmask, host->mrq->data);
- if (intmask & SDHSTS_CRC7_ERROR) {
- host->cmd->error = -EILSEQ;
- } else if (intmask & (SDHSTS_CRC16_ERROR |
- SDHSTS_FIFO_ERROR)) {
- if (host->mrq->data)
- host->mrq->data->error = -EILSEQ;
- else
- host->cmd->error = -EILSEQ;
- } else if (intmask & SDHSTS_REW_TIME_OUT) {
- if (host->mrq->data)
- host->mrq->data->error = -ETIMEDOUT;
- else
- host->cmd->error = -ETIMEDOUT;
- } else if (intmask & SDHSTS_CMD_TIME_OUT) {
- host->cmd->error = -ETIMEDOUT;
- }
+ if (bcm2835_check_cmd_error(host, intmask))
+ return;
- bcm2835_dumpregs(host);
- } else {
- bcm2835_finish_command(host, NULL);
- }
+ bcm2835_finish_command(host, NULL);
}
static void bcm2835_data_irq(struct bcm2835_host *host, u32 intmask)
--
1.8.3.1
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