Messages in this thread Patch in this message | | | Date | Wed, 12 Oct 2005 15:10:06 -0700 | From | Carlos Sanchez <> | Subject | Added a Receive_Abort to the Marvell serial driver |
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Added a Receive_Abort to the Marvell serial driver
Fix occasional input overrun errors on Marvell serial driver - If the Marvell serial driver is repeatedly started and then stopped it will occasionally report an input overrun error when started. - Added a Receive_Abort to the Marvell serial driver to abort previously received receive errors when re-starting the receive
Acked-by: Mark A. Greer <mgreer@mvista.com> Signed-off-by: Carlos Sanchez <csanchez@mvista.com> -- diff -Naur --exclude=.pc --exclude=patches Pristinelinux-2.6.10/drivers/serial/mpsc.c WorkingF101_USB/drivers/serial/mpsc.c --- Pristinelinux-2.6.10/drivers/serial/mpsc.c 2005-10-07 09:58:56.000000000 -0700 +++ WorkingF101_USB/drivers/serial/mpsc.c 2005-10-12 07:56:13.279523424 -0700 @@ -1100,6 +1105,8 @@ { pr_debug("mpsc_start_rx[%d]: Starting...\n", pi->port.line); + /* Issue a Receive Abort to clear any receive errors */ + writel(MPSC_CHR_2_RA, pi->mpsc_base + MPSC_CHR_2); if (pi->rcv_data) { mpsc_enter_hunt(pi); mpsc_sdma_cmd(pi, SDMA_SDCM_ERD); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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