[Armadeus-commitlog] SF.net SVN: armadeus: [816] trunk/buildroot/target/device/armadeus/linux/ kernel-patches

[<th...@us...>]

Revision: 816
          http://armadeus.svn.sourceforge.net/armadeus/?rev=816&view=rev
Author:   thom25
Date:     2008-06-02 08:09:07 -0700 (Mon, 02 Jun 2008)

Log Message:
-----------
[LINUX] fix error when writing on an ext2 SD/MMC

Modified Paths:
--------------
    trunk/buildroot/target/device/armadeus/linux/kernel-patches/2.6.23.1/040-linux-2.6.23.1-imx_mmc.diff
    trunk/buildroot/target/device/armadeus/linux/kernel-patches/2.6.24.3/040-linux-2.6.24.3-imx_mmc.diff

Modified: trunk/buildroot/target/device/armadeus/linux/kernel-patches/2.6.23.1/040-linux-2.6.23.1-imx_mmc.diff
===================================================================
--- trunk/buildroot/target/device/armadeus/linux/kernel-patches/2.6.23.1/040-linux-2.6.23.1-imx_mmc.diff	2008-06-01 14:40:55 UTC (rev 815)
+++ trunk/buildroot/target/device/armadeus/linux/kernel-patches/2.6.23.1/040-linux-2.6.23.1-imx_mmc.diff	2008-06-02 15:09:07 UTC (rev 816)
@@ -83,3 +83,17 @@
  			loops, where, *pstat, stat_mask);
  	return loops;
  }
+--- linux-org/drivers/mmc/host/imxmmc.c	2008-06-02 04:25:41.000000000 +0200
++++ linux-imx/drivers/mmc/host/imxmmc.c	2008-06-02 04:22:21.000000000 +0200
+@@ -336,6 +336,12 @@ static void imxmci_start_cmd(struct imxm
+ 	/* Ensure, that clock are stopped else command programming and start fails */
+ 	imxmci_stop_clock(host);
+ 
++	/*force check of busy bit DO after CMD25 + CMD12 
++		to avoid hang up of the controler */
++	if( cmd->opcode == 13){
++		cmdat |= CMD_DAT_CONT_BUSY; 
++	}
++
+ 	if (cmd->flags & MMC_RSP_BUSY)
+ 		cmdat |= CMD_DAT_CONT_BUSY;

Modified: trunk/buildroot/target/device/armadeus/linux/kernel-patches/2.6.24.3/040-linux-2.6.24.3-imx_mmc.diff
===================================================================
--- trunk/buildroot/target/device/armadeus/linux/kernel-patches/2.6.24.3/040-linux-2.6.24.3-imx_mmc.diff	2008-06-01 14:40:55 UTC (rev 815)
+++ trunk/buildroot/target/device/armadeus/linux/kernel-patches/2.6.24.3/040-linux-2.6.24.3-imx_mmc.diff	2008-06-02 15:09:07 UTC (rev 816)
@@ -72,4 +72,28 @@
  #define PB11_AF_MS_SDIO      ( GPIO_PORTB | GPIO_AF | 11 )
  #define PB12_PF_SD_CLK       ( GPIO_PORTB | GPIO_PF | 12 )
  #define PB12_AF_MS_SCLK0     ( GPIO_PORTB | GPIO_AF | 12 )
-
+--- linux-org/drivers/mmc/host/imxmmc.c	2008-01-28 17:36:24.000000000 +0100
++++ linux-imx/drivers/mmc/host/imxmmc.c	2008-01-28 17:36:47.000000000 +0100
+@@ -220,7 +220,7 @@ static int imxmci_busy_wait_for_status(s
+ 
+ 	/* The busy-wait is expected there for clock <8MHz due to SDHC hardware flaws */
+ 	if(!(stat_mask & STATUS_END_CMD_RESP) || (host->mmc->ios.clock>=8000000))
+-		dev_info(mmc_dev(host->mmc), "busy wait for %d usec in %s, STATUS = 0x%x (0x%x)\n",
++		dev_dbg(mmc_dev(host->mmc), "busy wait for %d usec in %s, STATUS = 0x%x (0x%x)\n",
+ 			loops, where, *pstat, stat_mask);
+ 	return loops;
+ }
+--- linux-org/drivers/mmc/host/imxmmc.c	2008-06-02 04:25:41.000000000 +0200
++++ linux-imx/drivers/mmc/host/imxmmc.c	2008-06-02 04:22:21.000000000 +0200
+@@ -336,6 +336,12 @@ static void imxmci_start_cmd(struct imxm
+ 	/* Ensure, that clock are stopped else command programming and start fails */
+ 	imxmci_stop_clock(host);
+ 
++	/*force check of busy bit DO after CMD25 + CMD12 
++		to avoid hang up of the controler */
++	if( cmd->opcode == 13){
++		cmdat |= CMD_DAT_CONT_BUSY; 
++	}
++
+ 	if (cmd->flags & MMC_RSP_BUSY)
+ 		cmdat |= CMD_DAT_CONT_BUSY;


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.