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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-07-08 09:24:01 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-07-08 09:24:01 -0700 |
| commit | 622f8061a68d3f7a576c20a47b7f3bae7c8cfbef (patch) | |
| tree | b9fa9f4d92d80eaae27f5a6f6cb2ff8b5d007024 /drivers/serial | |
| parent | 6c96895e999f5c44a95a5cad6a6e32e7bd6e28b6 (diff) | |
| parent | dd4da3a55f99efbfd46674ebefdcc2878a57ef2a (diff) | |
| download | kernel_samsung_smdk4412-622f8061a68d3f7a576c20a47b7f3bae7c8cfbef.tar.gz kernel_samsung_smdk4412-622f8061a68d3f7a576c20a47b7f3bae7c8cfbef.tar.bz2 kernel_samsung_smdk4412-622f8061a68d3f7a576c20a47b7f3bae7c8cfbef.zip | |
Merge branch 'sh/for-2.6.31' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* 'sh/for-2.6.31' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6:
serial: sh-sci: fix sci interrupt handler
video: hitfb: Move over to dev_pm_ops.
video: hitfb: Convert to framebuffer_alloc().
video: sh_mobile_lcdcfb: Convert to framebuffer_alloc().
sh: add r8a66597 usb0 host to the se7724 board
usb: allow sh7724 to enable on-chip r8a66597
sh-sci: update receive error handling for muxed irqs
sh: define PERF_COUNTER_INDEX_OFFSET.
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/sh-sci.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c index 66f52674ca0..8e2feb56334 100644 --- a/drivers/serial/sh-sci.c +++ b/drivers/serial/sh-sci.c @@ -707,24 +707,25 @@ static irqreturn_t sci_br_interrupt(int irq, void *ptr) static irqreturn_t sci_mpxed_interrupt(int irq, void *ptr) { - unsigned short ssr_status, scr_status; + unsigned short ssr_status, scr_status, err_enabled; struct uart_port *port = ptr; irqreturn_t ret = IRQ_NONE; ssr_status = sci_in(port, SCxSR); scr_status = sci_in(port, SCSCR); + err_enabled = scr_status & (SCI_CTRL_FLAGS_REIE | SCI_CTRL_FLAGS_RIE); /* Tx Interrupt */ - if ((ssr_status & 0x0020) && (scr_status & SCI_CTRL_FLAGS_TIE)) + if ((ssr_status & SCxSR_TDxE(port)) && (scr_status & SCI_CTRL_FLAGS_TIE)) ret = sci_tx_interrupt(irq, ptr); /* Rx Interrupt */ - if ((ssr_status & 0x0002) && (scr_status & SCI_CTRL_FLAGS_RIE)) + if ((ssr_status & SCxSR_RDxF(port)) && (scr_status & SCI_CTRL_FLAGS_RIE)) ret = sci_rx_interrupt(irq, ptr); /* Error Interrupt */ - if ((ssr_status & 0x0080) && (scr_status & SCI_CTRL_FLAGS_REIE)) + if ((ssr_status & SCxSR_ERRORS(port)) && err_enabled) ret = sci_er_interrupt(irq, ptr); /* Break Interrupt */ - if ((ssr_status & 0x0010) && (scr_status & SCI_CTRL_FLAGS_REIE)) + if ((ssr_status & SCxSR_BRK(port)) && err_enabled) ret = sci_br_interrupt(irq, ptr); return ret; |