From: Greg KH <gregkh@suse.de>
To: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Cc: linux-kernel@vger.kernel.org, "'Randy Dunlap'" <randy.dunlap@oracle.com>
Subject: Re: [PATCH 22/36] serial: fix pch_uart kconfig & build
Date: Thu, 6 Jan 2011 16:31:59 -0800 [thread overview]
Message-ID: <20110107003159.GA3871@suse.de> (raw)
In-Reply-To: <8899E5C010CA4DECA82313385205780B@hacdom.okisemi.com>
On Fri, Jan 07, 2011 at 09:21:43AM +0900, Tomoya MORINAGA wrote:
> Hi Greg,
>
> On Friday, January 07, 2011 7:23 AM, Greg Kroah-Hartman wrote:
> > Also, the help text says that the
> > driver enables & uses PCH_DMA, which is not enabled, so select that.
>
> I think PCH_DMA is not always used when a user uses PCH_UART.
> Since overhead of DMA is not small, in case of low frequent communication,
> without DMA is better.
> Thus, I think "select PCH_DMA" is unnecessary
>
> (Of course, the PCH_UART works both with/without PCH_DMA.)
Patches are always welcome to fix things up :)
thanks,
greg k-h
next prev parent reply other threads:[~2011-01-07 0:33 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-06 21:54 [GIT PATCH] TTY/serial merge for .38 Greg KH
2011-01-06 22:00 ` Alan Cox
2011-01-06 22:24 ` Greg KH
2011-01-06 23:54 ` Kay Sievers
2011-01-07 3:40 ` Greg KH
2011-01-06 22:22 ` [PATCH 01/36] ifx6x60: SPI protocol driver for Infineon 6x60 modem Greg Kroah-Hartman
2011-01-06 22:22 ` [PATCH 02/36] serial: Add support for UART on VIA VT8500 and compatibles Greg Kroah-Hartman
2011-01-06 22:22 ` [PATCH 03/36] n_gsm: Fix support for legacy encoding Greg Kroah-Hartman
2011-01-06 22:22 ` [PATCH 04/36] n_gsm: clean up printks Greg Kroah-Hartman
2011-01-06 22:22 ` [PATCH 05/36] serial: add Documentation about RS485 serial communications Greg Kroah-Hartman
2011-01-06 22:22 ` [PATCH 06/36] serial: cpm_uat: reducing CPM serial latency Greg Kroah-Hartman
2011-01-06 22:22 ` [PATCH 07/36] serial: cpu_uart: Remove unused uart_cpm_port fields Greg Kroah-Hartman
2011-01-06 22:22 ` [PATCH 08/36] console: move for_each_console to linux/console.h Greg Kroah-Hartman
2011-01-06 22:22 ` [PATCH 09/36] TTY: include termios.h in tty_driver.h Greg Kroah-Hartman
2011-01-06 22:22 ` [PATCH 10/36] VIDEO: xen-fb, switch to for_each_console Greg Kroah-Hartman
2011-01-06 22:22 ` Greg Kroah-Hartman
2011-01-06 22:22 ` Greg Kroah-Hartman
2011-01-06 22:23 ` [PATCH 11/36] console: add /proc/consoles Greg Kroah-Hartman
2011-01-06 22:23 ` [PATCH 12/36] parisc: cleanup console handling Greg Kroah-Hartman
2011-01-06 22:23 ` Greg Kroah-Hartman
2011-01-06 22:23 ` [PATCH 13/36] serial: mpc52xx: make printout for type more generic Greg Kroah-Hartman
2011-01-06 22:23 ` [PATCH 14/36] serial: ifx6x60: The IFX requires SPI Greg Kroah-Hartman
2011-01-06 22:23 ` [PATCH 15/36] serial: ifx6x60: Fix missing include for msleep Greg Kroah-Hartman
2011-01-06 22:23 ` [PATCH 16/36] Serial: ce4100: Add PCI UART support for the ce4100 Greg Kroah-Hartman
2011-01-06 22:23 ` [PATCH 17/36] Serial: EG20T: add PCH_UART driver Greg Kroah-Hartman
2011-01-06 22:23 ` [PATCH 18/36] serial: ifx6x60: free IRQ on error Greg Kroah-Hartman
2011-01-06 22:23 ` [PATCH 19/36] serial: ifx6x60: fix memory leak Greg Kroah-Hartman
2011-01-06 22:23 ` [PATCH 20/36] RS485 documentation: add 16C950 UART description Greg Kroah-Hartman
2011-01-06 22:23 ` [PATCH 21/36] drivers: char: hvc: add arm JTAG DCC console support Greg Kroah-Hartman
2011-01-06 22:23 ` [PATCH 22/36] serial: fix pch_uart kconfig & build Greg Kroah-Hartman
2011-01-07 0:21 ` Tomoya MORINAGA
2011-01-07 0:31 ` Greg KH [this message]
2011-01-06 22:23 ` [PATCH 23/36] serial: omap-serial: Add support for kernel debugger Greg Kroah-Hartman
2011-01-06 22:23 ` [PATCH 24/36] 8250: use container_of() instead of casting Greg Kroah-Hartman
2011-01-06 22:23 ` [PATCH 25/36] 8250: add a UPIO_DWAPB32 for 32 bit accesses Greg Kroah-Hartman
2011-01-06 22:23 ` [PATCH 26/36] rocket: fix compiler warning on rocket_pci_ids Greg Kroah-Hartman
2011-01-06 22:23 ` [PATCH 27/36] specialix: fix compiler warning on specialix_pci_tbl Greg Kroah-Hartman
2011-01-06 22:23 ` [PATCH 28/36] ip2: fix compiler warning on ip2main_pci_tbl Greg Kroah-Hartman
2011-01-06 22:23 ` [PATCH 29/36] 8250: fix uninitialized FIFOs Greg Kroah-Hartman
2011-01-06 22:23 ` [PATCH 30/36] pch_uart : fix warnings for 64bit compile Greg Kroah-Hartman
2011-01-06 22:23 ` [PATCH 31/36] tty: fix typos/errors in tty_driver.h comments Greg Kroah-Hartman
2011-01-06 22:23 ` [PATCH 32/36] Serial: Avoid unbalanced IRQ wake disable during resume Greg Kroah-Hartman
2011-01-06 22:23 ` [PATCH 33/36] drivers: serial: apbuart: Handle OF failures gracefully Greg Kroah-Hartman
2011-01-06 22:23 ` [PATCH 34/36] tty: add 'active' sysfs attribute to tty0 and console device Greg Kroah-Hartman
2011-01-07 9:09 ` Jiri Slaby
2011-01-07 13:20 ` Kay Sievers
2011-01-07 15:12 ` Jiri Slaby
2011-01-06 22:23 ` [PATCH 35/36] TTY: Add tty ioctl to figure device node of the system console Greg Kroah-Hartman
2011-01-06 22:23 ` [PATCH 36/36] serial: apbuart: Fixup apbuart_console_init() Greg Kroah-Hartman
2011-01-07 22:44 ` [GIT PATCH] TTY/serial merge for .38 Linus Torvalds
2011-01-07 23:41 ` Greg KH
2011-01-11 14:00 ` Daniel Hellstrom
2011-01-11 14:56 ` Thomas Gleixner
2011-01-11 15:08 ` Greg KH
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