diff options
| author | Per Forlin <per.forlin@linaro.org> | 2011-09-13 23:03:29 +0200 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2011-10-26 16:32:12 -0400 |
| commit | 34f5050800d600551cca9bcfb463cc6699d82d04 (patch) | |
| tree | ff434aab2d3c4c3de2f62aa60079b1f49974a9a7 /drivers/mmc | |
| parent | 6cba00eaa95c1ace1fb511f534b233ae302ccb2e (diff) | |
mmc: add module param to set fault injection attributes
Replace setup("fail_mmc_request") and faulty "ifdef KERNEL" with
a simple module_param(). The module param mmc_core.fail_request
may be used to set the fault injection attributes during boot time
or module load time.
Signed-off-by: Per Forlin <per.forlin@linaro.org>
Reviewed-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/core/debugfs.c | 29 |
1 files changed, 11 insertions, 18 deletions
diff --git a/drivers/mmc/core/debugfs.c b/drivers/mmc/core/debugfs.c index 96c603b0526f..da69aac4cc82 100644 --- a/drivers/mmc/core/debugfs.c +++ b/drivers/mmc/core/debugfs.c @@ -20,6 +20,14 @@ #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) { @@ -168,23 +176,6 @@ static int mmc_clock_opt_set(void *data, u64 val) return 0; } -#ifdef CONFIG_FAIL_MMC_REQUEST - -static DECLARE_FAULT_ATTR(fail_mmc_request); - -#ifdef KERNEL -/* - * Internal function. Pass the boot param fail_mmc_request to - * the setup fault injection attributes routine. - */ -static int __init setup_fail_mmc_request(char *str) -{ - return setup_fault_attr(&fail_mmc_request, str); -} -__setup("fail_mmc_request=", setup_fail_mmc_request); -#endif /* KERNEL */ -#endif /* CONFIG_FAIL_MMC_REQUEST */ - DEFINE_SIMPLE_ATTRIBUTE(mmc_clock_fops, mmc_clock_opt_get, mmc_clock_opt_set, "%llu\n"); @@ -216,7 +207,9 @@ void mmc_add_host_debugfs(struct mmc_host *host) goto err_node; #endif #ifdef CONFIG_FAIL_MMC_REQUEST - host->fail_mmc_request = 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))) |