Hi,

On Tue, Aug 21, 2012 at 03:15:58PM +0300, Felipe Balbi wrote:

Hi guys,

here's a series of cleanup patches to the OMAP serial
driver. A later series could be made re-implementing
DMA using the DMA Engine API. Note that for RX DMA
we could be using RX Timeout IRQ as a hint that we better
use PIO instead ;-)

All patches were tested on my pandaboard, but I'd really
like to receive Tested-by on other platforms.

After this goes in, I'll probably try to get UART wakeup
working again and only after that look at DMA.

Changes since v1:

	. improved commit log on patch 9/13 (formerly 10/13)
	. removed patch 2/13
	. added a new patch switching from spin_lock_irqsave() to spin_lock and
		spin_unlock_irqrestore to spin_unlock

Retested with my pandaboard, UART continues to work:

 # grep -i uart /proc/interrupts
 106:        124          0       GIC  OMAP UART2
 #  grep -i uart /proc/interrupts
 106:        189          0       GIC  OMAP UART2
 #  grep -i uart /proc/interrupts
 106:        255          0       GIC  OMAP UART2
 #  grep -i uart /proc/interrupts
 106:        321          0       GIC  OMAP UART2
 #  grep -i uart /proc/interrupts
 106:        387          0       GIC  OMAP UART2
 #  grep -i uart /proc/interrupts
 106:        453          0       GIC  OMAP UART2
 #  grep -i uart /proc/interrupts
 106:        519          0       GIC  OMAP UART2

cheers

ps: if anyone knows a better test for UART, let me know.

for convenience of anyone testing, patches are available on my git tree [1] on
branch uart

[1] git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git uart

Well, it turns out we found a small issue with one of these patches. We
have already fixed the isse. Will re-send the series soon with a few
more patches added. cheers

-- 
balbi