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IPP: fix ipp driver havn't load

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This commit is contained in:
ddl
2011-03-12 00:24:12 +08:00
parent a003f5471e
commit ac2d89f4ff
1 changed files with 7 additions and 1 deletions
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8
drivers/staging/rk29/ipp/rk29-ipp.c Normal file → Executable file
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@@ -135,6 +135,12 @@ int ipp_do_blit(struct rk29_ipp_req *req)
uint32_t post_scale_target_w, post_scale_target_h;
uint32_t dst0_YrgbMst=0,dst0_CbrMst=0;
uint32_t ret = 0;
if (drvdata == NULL) { /* ddl@rock-chips.com : check driver is normal or not */
printk(KERN_ERR, "%s drvdata is NULL, IPP driver probe is fail!!\n", __FUNCTION__);
return -EPERM;
}
rotate = req->flag;
switch (rotate) {
case IPP_ROT_90:
@@ -928,7 +934,7 @@ static void __exit rk29_ipp_exit(void)
platform_driver_unregister(&rk29_ipp_driver);
}
module_init_sync(rk29_ipp_init);
device_initcall_sync(rk29_ipp_init);
module_exit(rk29_ipp_exit);
/* Module information */