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
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