linux-kernel - [PATCH v4] mmc: Export host capabilities to debugfs.

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Date:   Mon, 5 Mar 2018 19:09:19 +0530
From:   Harish Jenny K N <harish_kandiga@...tor.com>
To:     <ulf.hansson@...aro.org>, <linus.walleij@...aro.org>,
        <adrian.hunter@...el.com>, <shawn.lin@...k-chips.com>,
        <avri.altman@....com>, <andriy.shevchenko@...ux.intel.com>
CC:     <linux-mmc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <harish_kandiga@...tor.com>, <Vladimir_Zapolskiy@...tor.com>
Subject: [PATCH v4] mmc: Export host capabilities to debugfs.

From: Abbas Raza <Abbas_Raza@...tor.com>

This patch exports the host capabilities to debugfs

Signed-off-by: Abbas Raza <Abbas_Raza@...tor.com>
Signed-off-by: Andrew Gabbasov <andrew_gabbasov@...tor.com>
[Harish: Added caps2, moved creation to mmc_add_host_debugfs]
Signed-off-by: Harish Jenny K N <harish_kandiga@...tor.com>
---

Changes in v4:
- Moved the creation of nodes to mmc_add_host_debugfs
- Exported caps2
- Renamed host_caps to caps

Changes in v3:
- Removed typecasting of &host->caps to (u32 *)

Changes in v2:
- Changed Author

 drivers/mmc/core/debugfs.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/mmc/core/debugfs.c b/drivers/mmc/core/debugfs.c
index c51e0c0..d2275c5 100644
--- a/drivers/mmc/core/debugfs.c
+++ b/drivers/mmc/core/debugfs.c
@@ -243,6 +243,12 @@ void mmc_add_host_debugfs(struct mmc_host *host)
 	if (!debugfs_create_file("ios", S_IRUSR, root, host, &mmc_ios_fops))
 		goto err_node;

+	if (!debugfs_create_x32("caps", S_IRUSR, root, &host->caps))
+		goto err_node;
+
+	if (!debugfs_create_x32("caps2", S_IRUSR, root, &host->caps2))
+		goto err_node;
+
 	if (!debugfs_create_file("clock", S_IRUSR | S_IWUSR, root, host,
 			&mmc_clock_fops))
 		goto err_node;
--
1.9.1