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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>
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2 changed files with 14 additions and 5 deletions
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@ -1,8 +1,13 @@
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config FB_SM7XX
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config FB_SM7XX
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tristate "Silicon Motion SM7XX Frame Buffer Support"
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tristate "Silicon Motion SM7XX framebuffer support"
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depends on FB
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depends on FB
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select FB_CFB_FILLRECT
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select FB_CFB_FILLRECT
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select FB_CFB_COPYAREA
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select FB_CFB_COPYAREA
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select FB_CFB_IMAGEBLIT
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select FB_CFB_IMAGEBLIT
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help
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help
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Frame Buffer driver for the Silicon Motion SM7XX serial graphic card.
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Frame buffer driver for the Silicon Motion SM710, SM712, SM721
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and SM722 chips.
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This driver is also available as a module. The module will be
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called sm7xx. If you want to compile it as a module, say M
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here and read <file:Documentation/kbuild/modules.txt>.
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@ -15,6 +15,7 @@
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* License. See the file COPYING in the main directory of this archive for
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* License. See the file COPYING in the main directory of this archive for
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* more details.
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* more details.
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*
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*
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* Framebuffer driver for Silicon Motion SM710, SM712, SM721 and SM722 chips
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*/
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*/
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#include <linux/io.h>
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#include <linux/io.h>
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@ -758,7 +759,7 @@ static void smtc_unmap_smem(struct smtcfb_info *sfb)
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}
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}
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/*
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/*
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* We need to wake up the LynxEM+, and make sure its in linear memory mode.
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* We need to wake up the device and make sure its in linear memory mode.
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*/
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*/
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static inline void sm7xx_init_hw(void)
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static inline void sm7xx_init_hw(void)
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{
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{
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@ -963,7 +964,11 @@ static int __devinit smtcfb_pci_probe(struct pci_dev *pdev,
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return err;
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return err;
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}
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}
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/*
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* 0x710 (LynxEM)
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* 0x712 (LynxEM+)
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* 0x720 (Lynx3DM, Lynx3DM+)
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*/
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static DEFINE_PCI_DEVICE_TABLE(smtcfb_pci_table) = {
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static DEFINE_PCI_DEVICE_TABLE(smtcfb_pci_table) = {
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{ PCI_DEVICE(0x126f, 0x710), },
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{ PCI_DEVICE(0x126f, 0x710), },
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{ PCI_DEVICE(0x126f, 0x712), },
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{ PCI_DEVICE(0x126f, 0x712), },
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@ -971,7 +976,6 @@ static DEFINE_PCI_DEVICE_TABLE(smtcfb_pci_table) = {
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{0,}
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{0,}
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};
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};
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static void __devexit smtcfb_pci_remove(struct pci_dev *pdev)
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static void __devexit smtcfb_pci_remove(struct pci_dev *pdev)
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{
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{
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struct smtcfb_info *sfb;
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struct smtcfb_info *sfb;
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