Message ID | 63536.192.168.10.89.1246081026.squirrel@dbdmail.itg.ti.com |
---|---|
State | New, archived |
Headers | show |
On Sat, 2009-06-27 at 11:07 +0530, vimal singh wrote: > > The 'status' you return in the case that you _have_ gone through the > > loop is still wrong though, isn't it? > Yes, I have corrected that in below patch. Its my bad, I did not fix it > previously. > > Signed-off-by: Vimal Singh <vimalsingh at ti.com> > Signed-off-by: Ming Lei <tom.leiming at gmail.com> Er, did he? And please put proper email addresses in. If you can't find an @ sign on your keyboard, cut and paste it from elsewhere. > @@ -558,6 +560,7 @@ static int omap_wait(struct mtd_info *mtd, struct nand_chip > status = __raw_readb(this->IO_ADDR_R); > - if (!(status & 0x40)) > + if (status & NAND_STATUS_READY) > break; Hm... now you're polling the PASS/FAIL bit in the status, not the READY/BUSY bit. I suspect that's not going to work too well...
diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c index 0cd76f8..3b6e6ad 100644 --- a/drivers/mtd/nand/omap2.c +++ b/drivers/mtd/nand/omap2.c @@ -11,6 +11,8 @@ #include <linux/platform_device.h> #include <linux/dma-mapping.h> #include <linux/delay.h> +#include <linux/jiffies.h> +#include <linux/sched.h> #include <linux/mtd/mtd.h> #include <linux/mtd/nand.h> #include <linux/mtd/partitions.h> @@ -541,7 +543,7 @@ static int omap_wait(struct mtd_info *mtd, struct nand_chip struct omap_nand_info *info = container_of(mtd, struct omap_nand_info, mtd); unsigned long timeo = jiffies; - int status, state = this->state; + int status = NAND_STATUS_FAIL, state = this->state; if (state == FL_ERASING) timeo += (HZ * 400) / 1000; @@ -558,6 +560,7 @@ static int omap_wait(struct mtd_info *mtd, struct nand_chip status = __raw_readb(this->IO_ADDR_R); - if (!(status & 0x40)) + if (status & NAND_STATUS_READY) break; + cond_resched(); } return status; }