The patch titled
pxafb: introduce lcd_{read,write}l() to wrap the __raw_{read,write}l()
has been added to the -mm tree. Its filename is
pxafb-introduce-lcd_readwritel-to-wrap-the-__raw_readwritel.patch
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------------------------------------------------------
Subject: pxafb: introduce lcd_{read,write}l() to wrap the __raw_{read,write}l()
From: Eric Miao <eric.miao@xxxxxxxxxxx>
using __raw_{read,write}l() everywhere looks messy, introduce
lcd_{read,write}l() to get this cleaned up a bit
Signed-off-by: eric miao <eric.miao@xxxxxxxxxxx>
Cc: "Antonino A. Daplas" <adaplas@xxxxxxx>
Cc: Russell King <rmk@xxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/video/pxafb.c | 59 +++++++++++++++++++++++-----------------
1 file changed, 35 insertions(+), 24 deletions(-)
diff -puN drivers/video/pxafb.c~pxafb-introduce-lcd_readwritel-to-wrap-the-__raw_readwritel drivers/video/pxafb.c
--- a/drivers/video/pxafb.c~pxafb-introduce-lcd_readwritel-to-wrap-the-__raw_readwritel
+++ a/drivers/video/pxafb.c
@@ -71,6 +71,18 @@ static int pxafb_activate_var(struct fb_
struct pxafb_info *);
static void set_ctrlr_state(struct pxafb_info *fbi, u_int state);
+static inline unsigned long
+lcd_readl(struct pxafb_info *fbi, unsigned int off)
+{
+ return __raw_readl(fbi->mmio_base + off);
+}
+
+static inline void
+lcd_writel(struct pxafb_info *fbi, unsigned int off, unsigned long val)
+{
+ __raw_writel(val, fbi->mmio_base + off);
+}
+
static inline void pxafb_schedule_work(struct pxafb_info *fbi, u_int state)
{
unsigned long flags;
@@ -684,8 +696,7 @@ static int pxafb_activate_var(struct fb_
fbi->reg_lccr1 = new_regs.lccr1;
fbi->reg_lccr2 = new_regs.lccr2;
fbi->reg_lccr3 = new_regs.lccr3;
- fbi->reg_lccr4 = __raw_readl(fbi->mmio_base + LCCR4) &
- (~LCCR4_PAL_FOR_MASK);
+ fbi->reg_lccr4 = lcd_readl(fbi, LCCR4) & ~LCCR4_PAL_FOR_MASK;
fbi->reg_lccr4 |= (fbi->lccr4 & LCCR4_PAL_FOR_MASK);
set_hsync_time(fbi, pcd);
local_irq_restore(flags);
@@ -694,12 +705,12 @@ static int pxafb_activate_var(struct fb_
* Only update the registers if the controller is enabled
* and something has changed.
*/
- if ((__raw_readl(fbi->mmio_base + LCCR0) != fbi->reg_lccr0) ||
- (__raw_readl(fbi->mmio_base + LCCR1) != fbi->reg_lccr1) ||
- (__raw_readl(fbi->mmio_base + LCCR2) != fbi->reg_lccr2) ||
- (__raw_readl(fbi->mmio_base + LCCR3) != fbi->reg_lccr3) ||
- (__raw_readl(fbi->mmio_base + FDADR0) != fbi->fdadr[0]) ||
- (__raw_readl(fbi->mmio_base + FDADR1) != fbi->fdadr[1]))
+ if ((lcd_readl(fbi, LCCR0) != fbi->reg_lccr0) ||
+ (lcd_readl(fbi, LCCR1) != fbi->reg_lccr1) ||
+ (lcd_readl(fbi, LCCR2) != fbi->reg_lccr2) ||
+ (lcd_readl(fbi, LCCR3) != fbi->reg_lccr3) ||
+ (lcd_readl(fbi, FDADR0) != fbi->fdadr[0]) ||
+ (lcd_readl(fbi, FDADR1) != fbi->fdadr[1]))
pxafb_schedule_work(fbi, C_REENABLE);
return 0;
@@ -785,14 +796,14 @@ static void pxafb_enable_controller(stru
clk_enable(fbi->clk);
/* Sequence from 11.7.10 */
- __raw_writel(fbi->reg_lccr3, fbi->mmio_base + LCCR3);
- __raw_writel(fbi->reg_lccr2, fbi->mmio_base + LCCR2);
- __raw_writel(fbi->reg_lccr1, fbi->mmio_base + LCCR1);
- __raw_writel(fbi->reg_lccr0 & ~LCCR0_ENB, fbi->mmio_base + LCCR0);
-
- __raw_writel(fbi->fdadr[0], fbi->mmio_base + FDADR0);
- __raw_writel(fbi->fdadr[1], fbi->mmio_base + FDADR1);
- __raw_writel(fbi->reg_lccr0 | LCCR0_ENB, fbi->mmio_base + LCCR0);
+ lcd_writel(fbi, LCCR3, fbi->reg_lccr3);
+ lcd_writel(fbi, LCCR2, fbi->reg_lccr2);
+ lcd_writel(fbi, LCCR1, fbi->reg_lccr1);
+ lcd_writel(fbi, LCCR0, fbi->reg_lccr0 & ~LCCR0_ENB);
+
+ lcd_writel(fbi, FDADR0, fbi->fdadr[0]);
+ lcd_writel(fbi, FDADR1, fbi->fdadr[1]);
+ lcd_writel(fbi, LCCR0, fbi->reg_lccr0 | LCCR0_ENB);
}
static void pxafb_disable_controller(struct pxafb_info *fbi)
@@ -805,11 +816,11 @@ static void pxafb_disable_controller(str
add_wait_queue(&fbi->ctrlr_wait, &wait);
/* Clear LCD Status Register */
- __raw_writel(0xffffffff, fbi->mmio_base + LCSR);
+ lcd_writel(fbi, LCSR, 0xffffffff);
- lccr0 = __raw_readl(fbi->mmio_base + LCCR0) & ~LCCR0_LDM;
- __raw_writel(lccr0, fbi->mmio_base + LCCR0);
- __raw_writel(lccr0 | LCCR0_DIS, fbi->mmio_base + LCCR0);
+ lccr0 = lcd_readl(fbi, LCCR0) & ~LCCR0_LDM;
+ lcd_writel(fbi, LCCR0, lccr0);
+ lcd_writel(fbi, LCCR0, lccr0 | LCCR0_DIS);
schedule_timeout(200 * HZ / 1000);
remove_wait_queue(&fbi->ctrlr_wait, &wait);
@@ -824,15 +835,15 @@ static void pxafb_disable_controller(str
static irqreturn_t pxafb_handle_irq(int irq, void *dev_id)
{
struct pxafb_info *fbi = dev_id;
- unsigned int lccr0, lcsr = __raw_readl(fbi->mmio_base + LCSR);
+ unsigned int lccr0, lcsr = lcd_readl(fbi, LCSR);
if (lcsr & LCSR_LDD) {
- lccr0 = __raw_readl(fbi->mmio_base + LCCR0) | LCCR0_LDM;
- __raw_writel(lccr0, fbi->mmio_base + LCCR0);
+ lccr0 = lcd_readl(fbi, LCCR0);
+ lcd_writel(fbi, LCCR0, lccr0 | LCCR0_LDM);
wake_up(&fbi->ctrlr_wait);
}
- __raw_writel(lcsr, fbi->mmio_base + LCSR);
+ lcd_writel(fbi, LCSR, lcsr);
return IRQ_HANDLED;
}
_
Patches currently in -mm which might be from eric.miao@xxxxxxxxxxx are
git-arm.patch
pxafb-un-nest-pxafb_parse_options-to-cleanup-the-coding-style-issue.patch
pxafb-fix-various-coding-style-issues-for-pxafb.patch
pxafb-purge-unnecessary-pr_debug-and-comments-from-pxafb.patch
pxafb-sanitize-the-usage-of-ifdef-processing-pxafb-parameters.patch
pxafb-convert-fb-driver-to-use-ioremap-and-__raw_readl-writel.patch
pxafb-introduce-struct-pxafb_dma_buff-for-palette-and-dma-descriptors.patch
pxafb-introduce-register-independent-lcd-connection-type-for-pxafb.patch
pxafb-make-lubbock-mainstone-zylonite-littleton-to-use-new-lcd-connection-type.patch
pxafb-introduce-lcd_readwritel-to-wrap-the-__raw_readwritel.patch
pxafb-use-completion-for-lcd-disable-wait-code.patch
pxafb-move-parallel-lcd-timing-setup-into-dedicate-function.patch
pxafb-preliminary-smart-panel-interface-support.patch
pxafb-preliminary-smart-panel-interface-support-update.patch
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