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authorLinus Walleij <linus.walleij@linaro.org>2023-06-06 21:13:04 +0200
committerArnd Bergmann <arnd@arndb.de>2023-06-07 12:56:01 +0200
commit8f7913c04f6a7b90bcf998ece17395d7090f6d44 (patch)
treec98a343ea8b91d9c0460e157b5926cd056efb7ff /drivers/input
parent0b47a62ea65e1836945f09eafd99d0dd2bf92093 (diff)
downloadlwn-8f7913c04f6a7b90bcf998ece17395d7090f6d44.tar.gz
lwn-8f7913c04f6a7b90bcf998ece17395d7090f6d44.zip
Input: ads7846 - Fix usage of match data
device_get_match_data() returns the match data directly, fix this up and fix the probe crash. Fixes: 767d83361aaa ("Input: ads7846 - Convert to use software nodes") Reported-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Link: https://lore.kernel.org/r/20230606191304.3804174-1-linus.walleij@linaro.org Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/input')
-rw-r--r--drivers/input/touchscreen/ads7846.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index 40eb27f1b23f..fe6fe8acd8a6 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -1117,20 +1117,13 @@ MODULE_DEVICE_TABLE(of, ads7846_dt_ids);
static const struct ads7846_platform_data *ads7846_get_props(struct device *dev)
{
struct ads7846_platform_data *pdata;
- const struct platform_device_id *pdev_id;
u32 value;
- pdev_id = device_get_match_data(dev);
- if (!pdev_id) {
- dev_err(dev, "Unknown device model\n");
- return ERR_PTR(-EINVAL);
- }
-
pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
return ERR_PTR(-ENOMEM);
- pdata->model = (unsigned long)pdev_id->driver_data;
+ pdata->model = (u32)device_get_match_data(dev);
device_property_read_u16(dev, "ti,vref-delay-usecs",
&pdata->vref_delay_usecs);