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[ARM] pxafb: fix the warning of incorrect lccr when lcd_conn is specified 

The newly introduced "lcd_conn" field for connected LCD panel type will
cause the original code to generate the warnings of incorrect lccr*.
This is unnecessary since well encoded LCD_* flags will not generate
incorrect combinition of lccr* bits. Skip the check if "lcd_conn" is
specified.

Signed-off-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Eric Miao 2008-08-16 03:50:51 -04:00 committed by Russell King
parent 9a1ac7e498
commit 4f3e266462
1 changed files with 37 additions and 27 deletions
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64
drivers/video/pxafb.c
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@ -1677,6 +1677,42 @@ MODULE_PARM_DESC(options, "LCD parameters (see Documentation/fb/pxafb.txt)");
#define pxafb_setup_options() (0)
#endif
#ifdef DEBUG_VAR
/* Check for various illegal bit-combinations. Currently only
* a warning is given. */
static void __devinit pxafb_check_options(struct device *dev,
struct pxafb_mach_info *inf)
{
if (inf->lcd_conn)
return;
if (inf->lccr0 & LCCR0_INVALID_CONFIG_MASK)
dev_warn(dev, "machine LCCR0 setting contains "
"illegal bits: %08x\n",
inf->lccr0 & LCCR0_INVALID_CONFIG_MASK);
if (inf->lccr3 & LCCR3_INVALID_CONFIG_MASK)
dev_warn(dev, "machine LCCR3 setting contains "
"illegal bits: %08x\n",
inf->lccr3 & LCCR3_INVALID_CONFIG_MASK);
if (inf->lccr0 & LCCR0_DPD &&
((inf->lccr0 & LCCR0_PAS) != LCCR0_Pas ||
(inf->lccr0 & LCCR0_SDS) != LCCR0_Sngl ||
(inf->lccr0 & LCCR0_CMS) != LCCR0_Mono))
dev_warn(dev, "Double Pixel Data (DPD) mode is "
"only valid in passive mono"
" single panel mode\n");
if ((inf->lccr0 & LCCR0_PAS) == LCCR0_Act &&
(inf->lccr0 & LCCR0_SDS) == LCCR0_Dual)
dev_warn(dev, "Dual panel only valid in passive mode\n");
if ((inf->lccr0 & LCCR0_PAS) == LCCR0_Pas &&
(inf->modes->upper_margin || inf->modes->lower_margin))
dev_warn(dev, "Upper and lower margins must be 0 in "
"passive mode\n");
}
#else
#define pxafb_check_options(...) do {} while (0)
#endif
static int __devinit pxafb_probe(struct platform_device *dev)
{
struct pxafb_info *fbi;
@ -1696,33 +1732,7 @@ static int __devinit pxafb_probe(struct platform_device *dev)
if (ret < 0)
goto failed;
#ifdef DEBUG_VAR
/* Check for various illegal bit-combinations. Currently only
* a warning is given. */
if (inf->lccr0 & LCCR0_INVALID_CONFIG_MASK)
dev_warn(&dev->dev, "machine LCCR0 setting contains "
"illegal bits: %08x\n",
inf->lccr0 & LCCR0_INVALID_CONFIG_MASK);
if (inf->lccr3 & LCCR3_INVALID_CONFIG_MASK)
dev_warn(&dev->dev, "machine LCCR3 setting contains "
"illegal bits: %08x\n",
inf->lccr3 & LCCR3_INVALID_CONFIG_MASK);
if (inf->lccr0 & LCCR0_DPD &&
((inf->lccr0 & LCCR0_PAS) != LCCR0_Pas ||
(inf->lccr0 & LCCR0_SDS) != LCCR0_Sngl ||
(inf->lccr0 & LCCR0_CMS) != LCCR0_Mono))
dev_warn(&dev->dev, "Double Pixel Data (DPD) mode is "
"only valid in passive mono"
" single panel mode\n");
if ((inf->lccr0 & LCCR0_PAS) == LCCR0_Act &&
(inf->lccr0 & LCCR0_SDS) == LCCR0_Dual)
dev_warn(&dev->dev, "Dual panel only valid in passive mode\n");
if ((inf->lccr0 & LCCR0_PAS) == LCCR0_Pas &&
(inf->modes->upper_margin || inf->modes->lower_margin))
dev_warn(&dev->dev, "Upper and lower margins must be 0 in "
"passive mode\n");
#endif
pxafb_check_options(&dev->dev, inf);
dev_dbg(&dev->dev, "got a %dx%dx%d LCD\n",
inf->modes->xres,