iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

at91: ohci-at91: always provide all the clocks

Browse Source 
Remove the cpu_is_at91xxxx() macros in the ohci-at91 driver.
SoCs at91sam9261 and at91sam9g10 expect one additional clock: hck0.

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD 2011-08-30 03:29:28 +02:00 committed by Arnd Bergmann
parent c6a389f123
commit 0af4316bab
7 changed files with 30 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/mach-at91/at91cap9.c
View File

@ -219,6 +219,8 @@ static struct clk_lookup periph_clocks_lookups[] = {
CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tcb_clk),
CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk),
CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk),
/* fake hclk clock */
CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk),
};
static struct clk_lookup usart_clocks_lookups[] = {

2
arch/arm/mach-at91/at91rm9200.c
View File

@ -193,6 +193,8 @@ static struct clk_lookup periph_clocks_lookups[] = {
CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk),
CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk),
CLKDEV_CON_DEV_ID("pclk", "ssc.2", &ssc2_clk),
/* fake hclk clock */
CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk),
};
static struct clk_lookup usart_clocks_lookups[] = {

2
arch/arm/mach-at91/at91sam9260.c
View File

@ -199,6 +199,8 @@ static struct clk_lookup periph_clocks_lookups[] = {
CLKDEV_CON_DEV_ID("t4_clk", "atmel_tcb.1", &tc4_clk),
CLKDEV_CON_DEV_ID("t5_clk", "atmel_tcb.1", &tc5_clk),
CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc_clk),
/* fake hclk clock */
CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk),
};
static struct clk_lookup usart_clocks_lookups[] = {

29
arch/arm/mach-at91/at91sam9261.c
View File

@ -129,6 +129,20 @@ static struct clk lcdc_clk = {
.type = CLK_TYPE_PERIPHERAL,
};
/* HClocks */
static struct clk hck0 = {
.name = "hck0",
.pmc_mask = AT91_PMC_HCK0,
.type = CLK_TYPE_SYSTEM,
.id = 0,
};
static struct clk hck1 = {
.name = "hck1",
.pmc_mask = AT91_PMC_HCK1,
.type = CLK_TYPE_SYSTEM,
.id = 1,
};
static struct clk *periph_clocks[] __initdata = {
&pioA_clk,
&pioB_clk,
@ -161,6 +175,7 @@ static struct clk_lookup periph_clocks_lookups[] = {
CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk),
CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk),
CLKDEV_CON_DEV_ID("pclk", "ssc.2", &ssc2_clk),
CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &hck0),
};
static struct clk_lookup usart_clocks_lookups[] = {
@ -199,20 +214,6 @@ static struct clk pck3 = {
.id = 3,
};
/* HClocks */
static struct clk hck0 = {
.name = "hck0",
.pmc_mask = AT91_PMC_HCK0,
.type = CLK_TYPE_SYSTEM,
.id = 0,
};
static struct clk hck1 = {
.name = "hck1",
.pmc_mask = AT91_PMC_HCK1,
.type = CLK_TYPE_SYSTEM,
.id = 1,
};
static void __init at91sam9261_register_clocks(void)
{
int i;

2
arch/arm/mach-at91/at91sam9263.c
View File

@ -189,6 +189,8 @@ static struct clk_lookup periph_clocks_lookups[] = {
CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.0", &spi0_clk),
CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.1", &spi1_clk),
CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tcb_clk),
/* fake hclk clock */
CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk),
};
static struct clk_lookup usart_clocks_lookups[] = {

2
arch/arm/mach-at91/at91sam9g45.c
View File

@ -215,6 +215,8 @@ static struct clk_lookup periph_clocks_lookups[] = {
CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.1", &tcb0_clk),
CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk),
CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk),
/* fake hclk clock */
CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &uhphs_clk),
};
static struct clk_lookup usart_clocks_lookups[] = {

15
drivers/usb/host/ohci-at91.c
View File

@ -35,8 +35,7 @@ extern int usb_disabled(void);
static void at91_start_clock(void)
{
if (cpu_is_at91sam9261() || cpu_is_at91sam9g10())
clk_enable(hclk);
clk_enable(hclk);
clk_enable(iclk);
clk_enable(fclk);
clocked = 1;
@ -46,8 +45,7 @@ static void at91_stop_clock(void)
{
clk_disable(fclk);
clk_disable(iclk);
if (cpu_is_at91sam9261() || cpu_is_at91sam9g10())
clk_disable(hclk);
clk_disable(hclk);
clocked = 0;
}
@ -142,8 +140,7 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver,
iclk = clk_get(&pdev->dev, "ohci_clk");
fclk = clk_get(&pdev->dev, "uhpck");
if (cpu_is_at91sam9261() || cpu_is_at91sam9g10())
hclk = clk_get(&pdev->dev, "hck0");
hclk = clk_get(&pdev->dev, "hclk");
at91_start_hc(pdev);
ohci_hcd_init(hcd_to_ohci(hcd));
@ -155,8 +152,7 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver,
/* Error handling */
at91_stop_hc(pdev);
if (cpu_is_at91sam9261() || cpu_is_at91sam9g10())
clk_put(hclk);
clk_put(hclk);
clk_put(fclk);
clk_put(iclk);
@ -192,8 +188,7 @@ static void usb_hcd_at91_remove(struct usb_hcd *hcd,
release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
usb_put_hcd(hcd);
if (cpu_is_at91sam9261() || cpu_is_at91sam9g10())
clk_put(hclk);
clk_put(hclk);
clk_put(fclk);
clk_put(iclk);
fclk = iclk = hclk = NULL;