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freifunkist-firmware/target/linux/brcm2708/patches-3.10/0063-mmc-suppress-sdcard-wa...

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From dfe5d158300e7500873f1f81d89a05842460befc Mon Sep 17 00:00:00 2001
From: popcornmix <popcornmix@gmail.com>
Date: Fri, 10 May 2013 19:42:38 +0100
Subject: [PATCH 063/174] mmc: suppress sdcard warnings we are happy about by
default
---
drivers/mmc/host/sdhci-bcm2708.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
--- a/drivers/mmc/host/sdhci-bcm2708.c
+++ b/drivers/mmc/host/sdhci-bcm2708.c
@@ -139,6 +139,7 @@ static bool sync_after_dma = 1;
static bool missing_status = 1;
static bool spurious_crc_acmd51 = 0;
bool enable_llm = 1;
+bool extra_messages = 0;
#if 0
static void hptime_test(void)
@@ -672,13 +673,16 @@ sdhci_bcm2708_platdma_reset(struct sdhci
cs = readl(host_priv->dma_chan_base + BCM2708_DMA_CS);
if (!(BCM2708_DMA_ACTIVE & cs))
- printk(KERN_INFO "%s: missed completion of "
+ {
+ if (extra_messages)
+ printk(KERN_INFO "%s: missed completion of "
"cmd %d DMA (%d/%d [%d]/[%d]) - "
"ignoring it\n",
mmc_hostname(host->mmc),
host->last_cmdop,
host_priv->sg_done, sg_todo,
host_priv->sg_ix+1, sg_len);
+ }
else
printk(KERN_INFO "%s: resetting ongoing cmd %d"
"DMA before %d/%d [%d]/[%d] complete\n",
@@ -903,7 +907,8 @@ static irqreturn_t sdhci_bcm2708_dma_irq
if (!host_priv->dma_wanted) {
/* ignore this interrupt - it was reset */
- printk(KERN_INFO "%s: DMA IRQ %X ignored - "
+ if (extra_messages)
+ printk(KERN_INFO "%s: DMA IRQ %X ignored - "
"results were reset\n",
mmc_hostname(host->mmc), dma_cs);
#ifdef CHECK_DMA_USE
@@ -1397,6 +1402,7 @@ module_param(missing_status, bool, 0444)
module_param(spurious_crc_acmd51, bool, 0444);
module_param(enable_llm, bool, 0444);
module_param(cycle_delay, int, 0444);
+module_param(extra_messages, bool, 0444);
MODULE_DESCRIPTION("Secure Digital Host Controller Interface platform driver");
MODULE_AUTHOR("Broadcom <info@broadcom.com>");
@@ -1409,5 +1415,6 @@ MODULE_PARM_DESC(sync_after_dma, "Block
MODULE_PARM_DESC(missing_status, "Use the missing status quirk");
MODULE_PARM_DESC(spurious_crc_acmd51, "Use the spurious crc quirk for reading SCR (ACMD51)");
MODULE_PARM_DESC(enable_llm, "Enable low-latency mode");
+MODULE_PARM_DESC(extra_messages, "Enable more sdcard warning messages");