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Code Issues Releases Wiki Activity

staging: fbtft: use alternate screen pointer

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Member screen_base in struct fb_info is declared with __iomem
qualifier causing sparse warnings when used as a regular ponter.
To avoid the warnings, instead use alternate non-__iomem pointer,
screen_buffer, troughout the driver.

Signed-off-by: Lars Svensson <lars1.svensson@sonymobile.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Lars Svensson 2015-10-07 09:20:13 +02:00 committed by Greg Kroah-Hartman
parent 17a7b0b4d9
commit 4b6dc179dc
10 changed files with 14 additions and 14 deletions
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2
drivers/staging/fbtft/fb_agm1264k-fl.c
View file

@ -266,7 +266,7 @@ construct_line_bitmap(struct fbtft_par *par, u8 *dest, signed short *src,
static int write_vmem(struct fbtft_par *par, size_t offset, size_t len)
{
u16 *vmem16 = (u16 *)par->info->screen_base;
u16 *vmem16 = (u16 *)par->info->screen_buffer;
u8 *buf = par->txbuf.buf;
int x, y;
int ret = 0;

2
drivers/staging/fbtft/fb_pcd8544.c
View file

@ -112,7 +112,7 @@ static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
static int write_vmem(struct fbtft_par *par, size_t offset, size_t len)
{
u16 *vmem16 = (u16 *)par->info->screen_base;
u16 *vmem16 = (u16 *)par->info->screen_buffer;
u8 *buf = par->txbuf.buf;
int x, y, i;
int ret = 0;

2
drivers/staging/fbtft/fb_ra8875.c
View file

@ -269,7 +269,7 @@ static int write_vmem16_bus8(struct fbtft_par *par, size_t offset, size_t len)
__func__, offset, len);
remain = len / 2;
vmem16 = (u16 *)(par->info->screen_base + offset);
vmem16 = (u16 *)(par->info->screen_buffer + offset);
tx_array_size = par->txbuf.len / 2;
txbuf16 = (u16 *)(par->txbuf.buf + 1);
tx_array_size -= 2;

2
drivers/staging/fbtft/fb_ssd1306.c
View file

@ -160,7 +160,7 @@ static int set_gamma(struct fbtft_par *par, unsigned long *curves)
static int write_vmem(struct fbtft_par *par, size_t offset, size_t len)
{
u16 *vmem16 = (u16 *)par->info->screen_base;
u16 *vmem16 = (u16 *)par->info->screen_buffer;
u8 *buf = par->txbuf.buf;
int x, y, i;
int ret = 0;

2
drivers/staging/fbtft/fb_tls8204.c
View file

@ -94,7 +94,7 @@ static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
static int write_vmem(struct fbtft_par *par, size_t offset, size_t len)
{
u16 *vmem16 = (u16 *)par->info->screen_base;
u16 *vmem16 = (u16 *)par->info->screen_buffer;
int x, y, i;
int ret = 0;

2
drivers/staging/fbtft/fb_uc1611.c
View file

@ -221,7 +221,7 @@ static int set_var(struct fbtft_par *par)
static int write_vmem(struct fbtft_par *par, size_t offset, size_t len)
{
u8 *vmem8 = (u8 *)(par->info->screen_base);
u8 *vmem8 = (u8 *)(par->info->screen_buffer);
u8 *buf8 = (u8 *)(par->txbuf.buf);
u16 *buf16 = (u16 *)(par->txbuf.buf);
int line_length = par->info->fix.line_length;

2
drivers/staging/fbtft/fb_uc1701.c
View file

@ -141,7 +141,7 @@ static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
static int write_vmem(struct fbtft_par *par, size_t offset, size_t len)
{
u16 *vmem16 = (u16 *)par->info->screen_base;
u16 *vmem16 = (u16 *)par->info->screen_buffer;
u8 *buf = par->txbuf.buf;
int x, y, i;
int ret = 0;

4
drivers/staging/fbtft/fb_watterott.c
View file

@ -68,7 +68,7 @@ static void write_reg8_bus8(struct fbtft_par *par, int len, ...)
static int write_vmem(struct fbtft_par *par, size_t offset, size_t len)
{
unsigned start_line, end_line;
u16 *vmem16 = (u16 *)(par->info->screen_base + offset);
u16 *vmem16 = (u16 *)(par->info->screen_buffer + offset);
u16 *pos = par->txbuf.buf + 1;
u16 *buf16 = par->txbuf.buf + 10;
int i, j;
@ -105,7 +105,7 @@ static int write_vmem(struct fbtft_par *par, size_t offset, size_t len)
static int write_vmem_8bit(struct fbtft_par *par, size_t offset, size_t len)
{
unsigned start_line, end_line;
u16 *vmem16 = (u16 *)(par->info->screen_base + offset);
u16 *vmem16 = (u16 *)(par->info->screen_buffer + offset);
u16 *pos = par->txbuf.buf + 1;
u8 *buf8 = par->txbuf.buf + 10;
int i, j;

6
drivers/staging/fbtft/fbtft-bus.c
View file

@ -137,7 +137,7 @@ int fbtft_write_vmem16_bus8(struct fbtft_par *par, size_t offset, size_t len)
__func__, offset, len);
remain = len / 2;
vmem16 = (u16 *)(par->info->screen_base + offset);
vmem16 = (u16 *)(par->info->screen_buffer + offset);
if (par->gpio.dc != -1)
gpio_set_value(par->gpio.dc, 1);
@ -196,7 +196,7 @@ int fbtft_write_vmem16_bus9(struct fbtft_par *par, size_t offset, size_t len)
}
remain = len;
vmem8 = par->info->screen_base + offset;
vmem8 = par->info->screen_buffer + offset;
tx_array_size = par->txbuf.len / 2;
@ -240,7 +240,7 @@ int fbtft_write_vmem16_bus16(struct fbtft_par *par, size_t offset, size_t len)
fbtft_par_dbg(DEBUG_WRITE_VMEM, par, "%s(offset=%zu, len=%zu)\n",
__func__, offset, len);
vmem16 = (u16 *)(par->info->screen_base + offset);
vmem16 = (u16 *)(par->info->screen_buffer + offset);
if (par->gpio.dc != -1)
gpio_set_value(par->gpio.dc, 1);

4
drivers/staging/fbtft/fbtft-core.c
View file

@ -748,7 +748,7 @@ struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display,
if (!info)
goto alloc_fail;
info->screen_base = (u8 __force __iomem *)vmem;
info->screen_buffer = vmem;
info->fbops = fbops;
info->fbdefio = fbdefio;
@ -888,7 +888,7 @@ EXPORT_SYMBOL(fbtft_framebuffer_alloc);
void fbtft_framebuffer_release(struct fb_info *info)
{
fb_deferred_io_cleanup(info);
vfree(info->screen_base);
vfree(info->screen_buffer);
framebuffer_release(info);
}
EXPORT_SYMBOL(fbtft_framebuffer_release);