Hi,
On 30-01-17 09:17, Thierry Reding wrote:
On Sun, Jan 22, 2017 at 05:14:08PM +0100, Hans de Goede wrote:
Add a module_name string to the pwm_lookup struct and if specified
and pwmchip_find_by_name() does not find the pwmchip try calling
request_module with the specified name.
Signed-off-by: Hans de Goede <hdego...@redhat.com>
---
drivers/pwm/core.c | 4 ++++
include/linux/pwm.h | 11 +++++++++--
2 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index 0d3ef29..c418a7a 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -823,6 +823,10 @@ struct pwm_device *pwm_get(struct device *dev, const char
*con_id)
return ERR_PTR(-ENODEV);
chip = pwmchip_find_by_name(chosen->provider);
+ if (!chip && chosen->module_name) {
+ request_module(chosen->module_name);
How about checking for an error code here? It's kind of pointless to try
again if the module didn't load in the first place. No need to respin, I
can make that change as I apply.
Sure, that is fine.
Regards,
Hans
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