Merge "mmc: mmc-debugfs: add error state" (47731ce6) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/mmc/core/debugfs.c

+31 −0

Original line number	Diff line number	Diff line
		@@ -303,6 +303,33 @@ static int mmc_force_err_set(void *data, u64 val)

		DEFINE_SIMPLE_ATTRIBUTE(mmc_force_err_fops, NULL, mmc_force_err_set, "%llu\n");

		static int mmc_err_state_get(void data, u64 val)
		{
		struct mmc_host *host = data;

		if (!host)
		return -EINVAL;

		*val = host->err_occurred ? 1 : 0;

		return 0;
		}

		static int mmc_err_state_clear(void *data, u64 val)
		{
		struct mmc_host *host = data;

		if (!host)
		return -EINVAL;

		host->err_occurred = false;

		return 0;
		}

		DEFINE_SIMPLE_ATTRIBUTE(mmc_err_state, mmc_err_state_get,
		mmc_err_state_clear, "%llu\n");

		void mmc_add_host_debugfs(struct mmc_host *host)
		{
		struct dentry *root;
		@@ -343,6 +370,10 @@ void mmc_add_host_debugfs(struct mmc_host *host)
		&host->cmdq_thist_enabled))
		goto err_node;

		if (!debugfs_create_file("err_state", S_IRUSR \| S_IWUSR, root, host,
		&mmc_err_state))
		goto err_node;

		#ifdef CONFIG_MMC_CLKGATE
		if (!debugfs_create_u32("clk_delay", (S_IRUSR \| S_IWUSR),
		root, &host->clk_delay))

+2 −0

Original line number	Diff line number	Diff line
		@@ -517,6 +517,8 @@ struct mmc_host {

		struct dentry *debugfs_root;

		bool err_occurred;

		struct mmc_async_req areq; / active async req */
		struct mmc_context_info context_info; /* async synchronization info */