blob: fd5cb5277cb9132cfc028285ed97e4d9adbf5445 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
From be309b7db77215610d5ac15bf0aacd47ea5b3433 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Fri, 28 Sep 2018 16:24:05 +0100
Subject: [PATCH] mmc: sdhci: Mask "spurious" interrupts
Add a filter for "spurious" Transfer Complete interrupts, attempting
to make it as specific as possible:
* INT_DATA_END (transfer complete) is set
* There is a stop command in progress
* There is no data transfer in progress
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
drivers/mmc/host/sdhci.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2935,6 +2935,10 @@ static irqreturn_t sdhci_irq(int irq, vo
result = IRQ_WAKE_THREAD;
}
+ if ((intmask & SDHCI_INT_DATA_END) && !host->data &&
+ host->cmd && (host->cmd == host->cmd->mrq->stop))
+ intmask &= ~SDHCI_INT_DATA_END;
+
if (intmask & SDHCI_INT_CMD_MASK)
sdhci_cmd_irq(host, intmask & SDHCI_INT_CMD_MASK, &intmask);
|
