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authorWolfram Sang <wsa+renesas@sang-engineering.com>2019-11-06 10:50:19 +0100
committerWolfram Sang <wsa@the-dreams.de>2019-11-28 17:15:21 +0100
commitc1d084759c95ecd0ef08274654a1f6c4f343cdcd (patch)
tree6a2aef1231031772f0634fdb81909e23159fab9d /drivers/i2c
parent1b00ff61597e7b5758372ded5134f673dddc1831 (diff)
downloadlinux-c1d084759c95ecd0ef08274654a1f6c4f343cdcd.tar.bz2
i2c: replace i2c_new_probed_device with an ERR_PTR variant
In the general move to have i2c_new_*_device functions which return ERR_PTR instead of NULL, this patch converts i2c_new_probed_device(). There are only few users, so this patch converts the I2C core and all users in one go. The function gets renamed to i2c_new_scanned_device() so out-of-tree users will get a build failure to understand they need to adapt their error checking code. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Luca Ceresoli <luca@lucaceresoli.net> Reviewed-by: Max Staudt <max@enpas.org> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/i2c-core-base.c25
1 files changed, 19 insertions, 6 deletions
diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c
index b594cb81cdce..9333c865d4a9 100644
--- a/drivers/i2c/i2c-core-base.c
+++ b/drivers/i2c/i2c-core-base.c
@@ -2245,10 +2245,10 @@ int i2c_probe_func_quick_read(struct i2c_adapter *adap, unsigned short addr)
EXPORT_SYMBOL_GPL(i2c_probe_func_quick_read);
struct i2c_client *
-i2c_new_probed_device(struct i2c_adapter *adap,
- struct i2c_board_info *info,
- unsigned short const *addr_list,
- int (*probe)(struct i2c_adapter *adap, unsigned short addr))
+i2c_new_scanned_device(struct i2c_adapter *adap,
+ struct i2c_board_info *info,
+ unsigned short const *addr_list,
+ int (*probe)(struct i2c_adapter *adap, unsigned short addr))
{
int i;
@@ -2278,11 +2278,24 @@ i2c_new_probed_device(struct i2c_adapter *adap,
if (addr_list[i] == I2C_CLIENT_END) {
dev_dbg(&adap->dev, "Probing failed, no device found\n");
- return NULL;
+ return ERR_PTR(-ENODEV);
}
info->addr = addr_list[i];
- return i2c_new_device(adap, info);
+ return i2c_new_client_device(adap, info);
+}
+EXPORT_SYMBOL_GPL(i2c_new_scanned_device);
+
+struct i2c_client *
+i2c_new_probed_device(struct i2c_adapter *adap,
+ struct i2c_board_info *info,
+ unsigned short const *addr_list,
+ int (*probe)(struct i2c_adapter *adap, unsigned short addr))
+{
+ struct i2c_client *client;
+
+ client = i2c_new_scanned_device(adap, info, addr_list, probe);
+ return IS_ERR(client) ? NULL : client;
}
EXPORT_SYMBOL_GPL(i2c_new_probed_device);