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authorLinus Torvalds <torvalds@linux-foundation.org>2011-10-28 14:16:11 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-10-28 14:16:11 -0700
commit46b51ea2099fa2082342e52b8284aa828429b80b (patch)
tree0a0d7bfe1aff036c86a2e7beacbd91398008bfb6 /drivers/mmc/core/debugfs.c
parent1fdb24e969110fafea36d3b393bea438f702c87f (diff)
parenta6029e1f75bb484c1f5bc68b6a8572e4024795bc (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (83 commits) mmc: fix compile error when CONFIG_BLOCK is not enabled mmc: core: Cleanup eMMC4.5 conditionals mmc: omap_hsmmc: if multiblock reads are broken, disable them mmc: core: add workaround for controllers with broken multiblock reads mmc: core: Prevent too long response times for suspend mmc: recognise SDIO cards with SDIO_CCCR_REV 3.00 mmc: sd: Handle SD3.0 cards not supporting UHS-I bus speed mode mmc: core: support HPI send command mmc: core: Add cache control for eMMC4.5 device mmc: core: Modify the timeout value for writing power class mmc: core: new discard feature support at eMMC v4.5 mmc: core: mmc sanitize feature support for v4.5 mmc: dw_mmc: modify DATA register offset mmc: sdhci-pci: add flag for devices that can support runtime PM mmc: omap_hsmmc: ensure pbias configuration is always done mmc: core: Add Power Off Notify Feature eMMC 4.5 mmc: sdhci-s3c: fix potential NULL dereference mmc: replace printk with appropriate display macro mmc: core: Add default timeout value for CMD6 mmc: sdhci-pci: add runtime pm support ...
Diffstat (limited to 'drivers/mmc/core/debugfs.c')
-rw-r--r--drivers/mmc/core/debugfs.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/mmc/core/debugfs.c b/drivers/mmc/core/debugfs.c
index 998797ed67a6..6045ea469362 100644
--- a/drivers/mmc/core/debugfs.c
+++ b/drivers/mmc/core/debugfs.c
@@ -7,11 +7,13 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
+#include <linux/moduleparam.h>
#include <linux/debugfs.h>
#include <linux/fs.h>
#include <linux/seq_file.h>
#include <linux/slab.h>
#include <linux/stat.h>
+#include <linux/fault-inject.h>
#include <linux/mmc/card.h>
#include <linux/mmc/host.h>
@@ -19,6 +21,14 @@
#include "core.h"
#include "mmc_ops.h"
+#ifdef CONFIG_FAIL_MMC_REQUEST
+
+static DECLARE_FAULT_ATTR(fail_default_attr);
+static char *fail_request;
+module_param(fail_request, charp, 0);
+
+#endif /* CONFIG_FAIL_MMC_REQUEST */
+
/* The debugfs functions are optimized away when CONFIG_DEBUG_FS isn't set. */
static int mmc_ios_show(struct seq_file *s, void *data)
{
@@ -113,6 +123,15 @@ static int mmc_ios_show(struct seq_file *s, void *data)
case MMC_TIMING_SD_HS:
str = "sd high-speed";
break;
+ case MMC_TIMING_UHS_SDR50:
+ str = "sd uhs SDR50";
+ break;
+ case MMC_TIMING_UHS_SDR104:
+ str = "sd uhs SDR104";
+ break;
+ case MMC_TIMING_UHS_DDR50:
+ str = "sd uhs DDR50";
+ break;
default:
str = "invalid";
break;
@@ -188,6 +207,15 @@ void mmc_add_host_debugfs(struct mmc_host *host)
root, &host->clk_delay))
goto err_node;
#endif
+#ifdef CONFIG_FAIL_MMC_REQUEST
+ if (fail_request)
+ setup_fault_attr(&fail_default_attr, fail_request);
+ host->fail_mmc_request = fail_default_attr;
+ if (IS_ERR(fault_create_debugfs_attr("fail_mmc_request",
+ root,
+ &host->fail_mmc_request)))
+ goto err_node;
+#endif
return;
err_node: