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staging: sm7xx: update comments and clarify supported chips

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This patch updates/adds comments in order to clarify devices and Lynx
families supported for this driver.

Signed-off-by: Javier M. Mellid <jmunhoz@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Javier M. Mellid 2012-06-10 13:12:23 +02:00 committed by Greg Kroah-Hartman
parent 67c4e9f46b
commit 0beb30d365
2 changed files with 14 additions and 5 deletions
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9
drivers/staging/sm7xx/Kconfig
View File

@ -1,8 +1,13 @@
config FB_SM7XX config FB_SM7XX
tristate "Silicon Motion SM7XX Frame Buffer Support" tristate "Silicon Motion SM7XX framebuffer support"
depends on FB depends on FB
select FB_CFB_FILLRECT select FB_CFB_FILLRECT
select FB_CFB_COPYAREA select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT select FB_CFB_IMAGEBLIT
help help
Frame Buffer driver for the Silicon Motion SM7XX serial graphic card. Frame buffer driver for the Silicon Motion SM710, SM712, SM721
and SM722 chips.
This driver is also available as a module. The module will be
called sm7xx. If you want to compile it as a module, say M
here and read <file:Documentation/kbuild/modules.txt>.

10
drivers/staging/sm7xx/smtcfb.c
View File

@ -15,6 +15,7 @@
* License. See the file COPYING in the main directory of this archive for * License. See the file COPYING in the main directory of this archive for
* more details. * more details.
* *
* Framebuffer driver for Silicon Motion SM710, SM712, SM721 and SM722 chips
*/ */
#include <linux/io.h> #include <linux/io.h>
@ -758,7 +759,7 @@ static void smtc_unmap_smem(struct smtcfb_info *sfb)
} }
/* /*
* We need to wake up the LynxEM+, and make sure its in linear memory mode. * We need to wake up the device and make sure its in linear memory mode.
*/ */
static inline void sm7xx_init_hw(void) static inline void sm7xx_init_hw(void)
{ {
@ -963,7 +964,11 @@ failed_free:
return err; return err;
} }
/*
* 0x710 (LynxEM)
* 0x712 (LynxEM+)
* 0x720 (Lynx3DM, Lynx3DM+)
*/
static DEFINE_PCI_DEVICE_TABLE(smtcfb_pci_table) = { static DEFINE_PCI_DEVICE_TABLE(smtcfb_pci_table) = {
{ PCI_DEVICE(0x126f, 0x710), }, { PCI_DEVICE(0x126f, 0x710), },
{ PCI_DEVICE(0x126f, 0x712), }, { PCI_DEVICE(0x126f, 0x712), },
@ -971,7 +976,6 @@ static DEFINE_PCI_DEVICE_TABLE(smtcfb_pci_table) = {
{0,} {0,}
}; };
static void __devexit smtcfb_pci_remove(struct pci_dev *pdev) static void __devexit smtcfb_pci_remove(struct pci_dev *pdev)
{ {
struct smtcfb_info *sfb; struct smtcfb_info *sfb;