Gitweb: http://git.kernel.org/linus/0c3ee078251b85812e585b5cf5d1635afd73f4e2
Commit: 0c3ee078251b85812e585b5cf5d1635afd73f4e2
Parent: f8c8ac8109ecdd3583b0ac9fd3adf058678a802e
Author: Ramax Lo <ramaxlo@gmail.com>
AuthorDate: Tue Apr 14 23:56:18 2009 +0800
Committer: Ben Dooks <ben-linux@fluff.org>
CommitDate: Fri Apr 17 12:46:36 2009 +0100
[ARM] S3C24XX: ADC: Check pending queue before freeing adc client
Check pending queue and remove the adc client being released.
Signed-off-by: Ramax Lo <ramaxlo@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
arch/arm/plat-s3c24xx/adc.c | 17 +++++++++++++++++
1 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/arch/arm/plat-s3c24xx/adc.c b/arch/arm/plat-s3c24xx/adc.c
index bc6f6a1..91adfa7 100644
--- a/arch/arm/plat-s3c24xx/adc.c
+++ b/arch/arm/plat-s3c24xx/adc.c
@@ -190,6 +190,23 @@ EXPORT_SYMBOL_GPL(s3c_adc_register);
void s3c_adc_release(struct s3c_adc_client *client)
{
/* We should really check that nothing is in progress. */
+ if (adc_dev->cur == client)
+ adc_dev->cur = NULL;
+ if (adc_dev->ts_pend == client)
+ adc_dev->ts_pend = NULL;
+ else {
+ struct list_head *p, *n;
+ struct s3c_adc_client *tmp;
+
+ list_for_each_safe(p, n, &adc_pending) {
+ tmp = list_entry(p, struct s3c_adc_client, pend);
+ if (tmp == client)
+ list_del(&tmp->pend);
+ }
+ }
+
+ if (adc_dev->cur == NULL)
+ s3c_adc_try(adc_dev);
kfree(client);
}
EXPORT_SYMBOL_GPL(s3c_adc_release);
--
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