staging: sm7xx: update comments and clarify supported chips
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>
diff --git a/drivers/staging/sm7xx/Kconfig b/drivers/staging/sm7xx/Kconfig
index 315102c..323964f 100644
--- a/drivers/staging/sm7xx/Kconfig
+++ b/drivers/staging/sm7xx/Kconfig
@@ -1,8 +1,13 @@
config FB_SM7XX
- tristate "Silicon Motion SM7XX Frame Buffer Support"
+ tristate "Silicon Motion SM7XX framebuffer support"
depends on FB
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
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>.
diff --git a/drivers/staging/sm7xx/smtcfb.c b/drivers/staging/sm7xx/smtcfb.c
index 2c172d6..e7028a3 100644
--- a/drivers/staging/sm7xx/smtcfb.c
+++ b/drivers/staging/sm7xx/smtcfb.c
@@ -15,6 +15,7 @@
* License. See the file COPYING in the main directory of this archive for
* more details.
*
+ * Framebuffer driver for Silicon Motion SM710, SM712, SM721 and SM722 chips
*/
#include <linux/io.h>
@@ -758,7 +759,7 @@
}
/*
- * 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)
{
@@ -963,7 +964,11 @@
return err;
}
-
+/*
+ * 0x710 (LynxEM)
+ * 0x712 (LynxEM+)
+ * 0x720 (Lynx3DM, Lynx3DM+)
+ */
static DEFINE_PCI_DEVICE_TABLE(smtcfb_pci_table) = {
{ PCI_DEVICE(0x126f, 0x710), },
{ PCI_DEVICE(0x126f, 0x712), },
@@ -971,7 +976,6 @@
{0,}
};
-
static void __devexit smtcfb_pci_remove(struct pci_dev *pdev)
{
struct smtcfb_info *sfb;