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authorWolfram Sang <wsa+renesas@sang-engineering.com>2023-11-13 01:59:11 +0300
committerWolfram Sang <wsa@kernel.org>2024-01-18 23:10:42 +0300
commite19e1abc9ce45f4d4cad2f7eab1827e683be4e84 (patch)
treef7ecca59e25f1c6c9cd0fb38057eb33510b59907
parentc66520c02c2f5b75e4f06a83ece4382fe2f92cfc (diff)
downloadlinux-e19e1abc9ce45f4d4cad2f7eab1827e683be4e84.tar.xz
i2c: npcm7xx: move to per-adapter debugfs directory
The I2C core now provides a per-adapter debugfs directory. Use it instead of creating a custom one. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Tali Perry <tali.perry1@gmail.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
-rw-r--r--drivers/i2c/busses/i2c-npcm7xx.c49
1 files changed, 7 insertions, 42 deletions
diff --git a/drivers/i2c/busses/i2c-npcm7xx.c b/drivers/i2c/busses/i2c-npcm7xx.c
index ae4bae63ad4f..54181b3f1919 100644
--- a/drivers/i2c/busses/i2c-npcm7xx.c
+++ b/drivers/i2c/busses/i2c-npcm7xx.c
@@ -326,7 +326,6 @@ struct npcm_i2c {
u8 slv_rd_buf[MAX_I2C_HW_FIFO_SIZE];
u8 slv_wr_buf[MAX_I2C_HW_FIFO_SIZE];
#endif
- struct dentry *debugfs; /* debugfs device directory */
u64 ber_cnt;
u64 rec_succ_cnt;
u64 rec_fail_cnt;
@@ -2250,27 +2249,15 @@ static const struct i2c_algorithm npcm_i2c_algo = {
#endif
};
-/* i2c debugfs directory: used to keep health monitor of i2c devices */
-static struct dentry *npcm_i2c_debugfs_dir;
-
static void npcm_i2c_init_debugfs(struct platform_device *pdev,
struct npcm_i2c *bus)
{
- struct dentry *d;
-
- if (!npcm_i2c_debugfs_dir)
- return;
- d = debugfs_create_dir(dev_name(&pdev->dev), npcm_i2c_debugfs_dir);
- if (IS_ERR_OR_NULL(d))
- return;
- debugfs_create_u64("ber_cnt", 0444, d, &bus->ber_cnt);
- debugfs_create_u64("nack_cnt", 0444, d, &bus->nack_cnt);
- debugfs_create_u64("rec_succ_cnt", 0444, d, &bus->rec_succ_cnt);
- debugfs_create_u64("rec_fail_cnt", 0444, d, &bus->rec_fail_cnt);
- debugfs_create_u64("timeout_cnt", 0444, d, &bus->timeout_cnt);
- debugfs_create_u64("tx_complete_cnt", 0444, d, &bus->tx_complete_cnt);
-
- bus->debugfs = d;
+ debugfs_create_u64("ber_cnt", 0444, bus->adap.debugfs, &bus->ber_cnt);
+ debugfs_create_u64("nack_cnt", 0444, bus->adap.debugfs, &bus->nack_cnt);
+ debugfs_create_u64("rec_succ_cnt", 0444, bus->adap.debugfs, &bus->rec_succ_cnt);
+ debugfs_create_u64("rec_fail_cnt", 0444, bus->adap.debugfs, &bus->rec_fail_cnt);
+ debugfs_create_u64("timeout_cnt", 0444, bus->adap.debugfs, &bus->timeout_cnt);
+ debugfs_create_u64("tx_complete_cnt", 0444, bus->adap.debugfs, &bus->tx_complete_cnt);
}
static int npcm_i2c_probe_bus(struct platform_device *pdev)
@@ -2362,7 +2349,6 @@ static void npcm_i2c_remove_bus(struct platform_device *pdev)
unsigned long lock_flags;
struct npcm_i2c *bus = platform_get_drvdata(pdev);
- debugfs_remove_recursive(bus->debugfs);
spin_lock_irqsave(&bus->lock, lock_flags);
npcm_i2c_disable(bus);
spin_unlock_irqrestore(&bus->lock, lock_flags);
@@ -2385,28 +2371,7 @@ static struct platform_driver npcm_i2c_bus_driver = {
}
};
-static int __init npcm_i2c_init(void)
-{
- int ret;
-
- npcm_i2c_debugfs_dir = debugfs_create_dir("npcm_i2c", NULL);
-
- ret = platform_driver_register(&npcm_i2c_bus_driver);
- if (ret) {
- debugfs_remove_recursive(npcm_i2c_debugfs_dir);
- return ret;
- }
-
- return 0;
-}
-module_init(npcm_i2c_init);
-
-static void __exit npcm_i2c_exit(void)
-{
- platform_driver_unregister(&npcm_i2c_bus_driver);
- debugfs_remove_recursive(npcm_i2c_debugfs_dir);
-}
-module_exit(npcm_i2c_exit);
+module_platform_driver(npcm_i2c_bus_driver);
MODULE_AUTHOR("Avi Fishman <avi.fishman@gmail.com>");
MODULE_AUTHOR("Tali Perry <tali.perry@nuvoton.com>");