From: Felipe Balbi <balbi@ti.com>
To: alan@linux.intel.com
Cc: Tony Lindgren <tony@atomide.com>, Kevin Hilman <khilman@ti.com>,
Linux OMAP Mailing List <linux-omap@vger.kernel.org>,
Linux ARM Kernel Mailing List
<linux-arm-kernel@lists.infradead.org>,
linux-serial@vger.kernel.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Santosh Shilimkar <santosh.shilimkar@ti.com>,
Shubhrajyoti Datta <shubhrajyoti@ti.com>,
Felipe Balbi <balbi@ti.com>
Subject: [PATCH v2 00/13] OMAP Serial patches
Date: Tue, 21 Aug 2012 15:15:58 +0300 [thread overview]
Message-ID: <1345551371-18862-1-git-send-email-balbi@ti.com> (raw)
In-Reply-To: <1345540555-24359-1-git-send-email-balbi@ti.com>
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
Felipe Balbi (13):
serial: omap: define and use to_uart_omap_port()
serial: omap: define helpers for pdata function pointers
serial: omap: don't access the platform_device
serial: omap: drop DMA support
serial: add OMAP-specific defines
serial: omap: simplify IRQ handling
serial: omap: refactor receive_chars() into rdi/rlsi handlers
serial: omap: move THRE check to transmit_chars()
serial: omap: stick to put_autosuspend
serial: omap: set dev->drvdata before enabling pm_runtime
serial: omap: drop unnecessary check from remove
serial: omap: make sure to suspend device before remove
serial: omap: don't save IRQ flags on hardirq
arch/arm/mach-omap2/serial.c | 15 +-
arch/arm/plat-omap/include/plat/omap-serial.h | 12 +-
drivers/tty/serial/omap-serial.c | 713 +++++++++-----------------
include/linux/serial_reg.h | 4 +
4 files changed, 254 insertions(+), 490 deletions(-)
--
1.7.12.rc3
next prev parent reply other threads:[~2012-08-21 12:20 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-21 9:15 [RFC/PATCH 00/13] OMAP UART patches Felipe Balbi
2012-08-21 9:15 ` [RFC/PATCH 01/13] serial: omap: define and use to_uart_omap_port() Felipe Balbi
2012-08-21 9:15 ` [RFC/PATCH 02/13] serial: omap: always return IRQ_HANDLED Felipe Balbi
2012-08-21 11:50 ` Alan Cox
2012-08-21 11:54 ` Felipe Balbi
2012-08-21 9:15 ` [RFC/PATCH 03/13] serial: omap: define helpers for pdata function pointers Felipe Balbi
2012-08-21 9:15 ` [RFC/PATCH 04/13] serial: omap: don't access the platform_device Felipe Balbi
2012-08-21 9:15 ` [RFC/PATCH 05/13] serial: omap: drop DMA support Felipe Balbi
2012-08-21 9:44 ` Shilimkar, Santosh
2012-08-21 10:20 ` Felipe Balbi
2012-08-21 10:35 ` Shilimkar, Santosh
2012-08-21 10:34 ` Felipe Balbi
2012-08-21 9:15 ` [RFC/PATCH 06/13] serial: add OMAP-specific defines Felipe Balbi
2012-08-21 9:15 ` [RFC/PATCH 07/13] serial: omap: simplify IRQ handling Felipe Balbi
2012-08-21 9:15 ` [RFC/PATCH 08/13] serial: omap: refactor receive_chars() into rdi/rlsi handlers Felipe Balbi
2012-08-21 9:15 ` [RFC/PATCH 09/13] serial: omap: move THRE check to transmit_chars() Felipe Balbi
2012-08-21 9:15 ` [RFC/PATCH 10/13] serial: omap: stick to put_autosuspend Felipe Balbi
2012-08-21 10:42 ` Shilimkar, Santosh
2012-08-21 10:57 ` Felipe Balbi
2012-08-21 11:05 ` Shilimkar, Santosh
2012-08-21 11:02 ` Felipe Balbi
2012-08-21 11:09 ` Felipe Balbi
2012-08-21 9:15 ` [RFC/PATCH 11/13] serial: omap: set dev->drvdata before enabling pm_runtime Felipe Balbi
2012-08-21 9:15 ` [RFC/PATCH 12/13] serial: omap: drop unnecessary check from remove Felipe Balbi
2012-08-21 9:15 ` [RFC/PATCH 13/13] serial: omap: make sure to suspend device before remove Felipe Balbi
2012-08-21 10:43 ` [RFC/PATCH 00/13] OMAP UART patches Shilimkar, Santosh
2012-08-21 12:15 ` Felipe Balbi [this message]
2012-08-21 12:15 ` [PATCH v2 01/13] serial: omap: define and use to_uart_omap_port() Felipe Balbi
2012-08-21 12:16 ` [PATCH v2 02/13] serial: omap: define helpers for pdata function pointers Felipe Balbi
2012-08-21 12:16 ` [PATCH v2 03/13] serial: omap: don't access the platform_device Felipe Balbi
2012-08-21 12:16 ` [PATCH v2 04/13] serial: omap: drop DMA support Felipe Balbi
2012-08-21 12:16 ` [PATCH v2 05/13] serial: add OMAP-specific defines Felipe Balbi
2012-08-21 12:16 ` [PATCH v2 06/13] serial: omap: simplify IRQ handling Felipe Balbi
2012-08-21 12:16 ` [PATCH v2 07/13] serial: omap: refactor receive_chars() into rdi/rlsi handlers Felipe Balbi
2012-08-21 12:16 ` [PATCH v2 08/13] serial: omap: move THRE check to transmit_chars() Felipe Balbi
2012-08-21 12:16 ` [PATCH v2 09/13] serial: omap: stick to put_autosuspend Felipe Balbi
2012-08-21 12:16 ` [PATCH v2 10/13] serial: omap: set dev->drvdata before enabling pm_runtime Felipe Balbi
2012-08-21 12:16 ` [PATCH v2 11/13] serial: omap: drop unnecessary check from remove Felipe Balbi
2012-08-21 12:16 ` [PATCH v2 12/13] serial: omap: make sure to suspend device before remove Felipe Balbi
2012-08-21 12:16 ` [PATCH v2 13/13] serial: omap: don't save IRQ flags on hardirq Felipe Balbi
2012-08-21 13:01 ` [PATCH v2 00/13] OMAP Serial patches Felipe Balbi
2012-08-21 15:07 ` Felipe Balbi
2012-08-23 6:26 ` Felipe Balbi
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