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From: Felipe Balbi <balbi@ti.com>
To: Felipe Balbi <balbi@ti.com>
Cc: alan@linux.intel.com, 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>
Subject: Re: [PATCH v2 00/13] OMAP Serial patches
Date: Thu, 23 Aug 2012 09:26:47 +0300	[thread overview]
Message-ID: <20120823062646.GC31295@arwen.pp.htv.fi> (raw)
In-Reply-To: <1345551371-18862-1-git-send-email-balbi@ti.com>

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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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      parent reply	other threads:[~2012-08-23  6:30 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 ` [PATCH v2 00/13] OMAP Serial patches Felipe Balbi
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 [this message]

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