Message ID | 1341208727-22476-2-git-send-email-shiraz.hashim@st.com |
---|---|
State | Accepted |
Commit | 4dc48c37d1ce968b5ade7d1646927199ee536129 |
Headers | show |
diff --git a/drivers/mtd/devices/spear_smi.c b/drivers/mtd/devices/spear_smi.c index cffd36a..aec941e 100644 --- a/drivers/mtd/devices/spear_smi.c +++ b/drivers/mtd/devices/spear_smi.c @@ -336,6 +336,9 @@ static void spear_smi_hw_init(struct spear_smi *dev) val = HOLD1 | BANK_EN | DSEL_TIME | (prescale << 8); mutex_lock(&dev->lock); + /* clear all interrupt conditions */ + writel(0, dev->io_base + SMI_SR); + writel(val, dev->io_base + SMI_CR1); mutex_unlock(&dev->lock); }
It was observed that sometimes smi returned errors while resume from suspend. For safety reasons clear status register for any errors during init. In absence of it smi can return failures during command transmissions. Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com> --- drivers/mtd/devices/spear_smi.c | 3 +++ 1 file changed, 3 insertions(+)