openwrtv4/target/linux/brcm2708/patches-3.10/0063-mmc-suppress-sdcard-warnings-we-are-happy-about-by-d.patch

From c20b5189fa65427d6a9f2e70f7f8f2c485d21296 Mon Sep 17 00:00:00 2001
From: popcornmix <popcornmix@gmail.com>
Date: Fri, 10 May 2013 19:42:38 +0100
Subject: [PATCH 063/196] mmc: suppress sdcard warnings we are happy about by
 default

---
 drivers/mmc/host/sdhci-bcm2708.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/host/sdhci-bcm2708.c b/drivers/mmc/host/sdhci-bcm2708.c
index 3556ed3..c2409b9 100644
--- 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_host *host, struct mmc_data *data)
 			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(int irq, void *dev_id)
 
 		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 in driver until dma complete");
 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");
 
 
-- 
1.9.1