aboutsummaryrefslogtreecommitdiff
path: root/arch/arm
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-omap1/clock.c9
-rw-r--r--arch/arm/mach-omap1/mcbsp.c52
-rw-r--r--arch/arm/mach-omap2/clock24xx.c20
-rw-r--r--arch/arm/mach-omap2/clock34xx.c20
-rw-r--r--arch/arm/mach-omap2/mcbsp.c26
-rw-r--r--arch/arm/plat-omap/include/mach/mcbsp.h6
-rw-r--r--arch/arm/plat-omap/mcbsp.c90
7 files changed, 100 insertions, 123 deletions
diff --git a/arch/arm/mach-omap1/clock.c b/arch/arm/mach-omap1/clock.c
index 61ace02e7dd..b62da4c9563 100644
--- a/arch/arm/mach-omap1/clock.c
+++ b/arch/arm/mach-omap1/clock.c
@@ -132,6 +132,15 @@ static struct omap_clk omap_clks[] = {
CLK(NULL, "mpu", &virtual_ck_mpu, CK_16XX | CK_1510 | CK_310),
CLK("i2c_omap.1", "i2c_fck", &i2c_fck, CK_16XX | CK_1510 | CK_310),
CLK("i2c_omap.1", "i2c_ick", &i2c_ick, CK_16XX),
+ CLK("omap-mcbsp.1", "ick", &dspper_ck, CK_16XX),
+ CLK("omap-mcbsp.1", "ick", &dummy_ck, CK_1510 | CK_310),
+ CLK("omap-mcbsp.2", "ick", &armper_ck.clk, CK_16XX),
+ CLK("omap-mcbsp.2", "ick", &dummy_ck, CK_1510 | CK_310),
+ CLK("omap-mcbsp.3", "ick", &dspper_ck, CK_16XX),
+ CLK("omap-mcbsp.3", "ick", &dummy_ck, CK_1510 | CK_310),
+ CLK("omap-mcbsp.1", "fck", &dspxor_ck, CK_16XX | CK_1510 | CK_310),
+ CLK("omap-mcbsp.2", "fck", &armper_ck.clk, CK_16XX | CK_1510 | CK_310),
+ CLK("omap-mcbsp.3", "fck", &dspxor_ck, CK_16XX | CK_1510 | CK_310),
};
static int omap1_clk_enable_generic(struct clk * clk);
diff --git a/arch/arm/mach-omap1/mcbsp.c b/arch/arm/mach-omap1/mcbsp.c
index 575ba31295c..d040c3f1027 100644
--- a/arch/arm/mach-omap1/mcbsp.c
+++ b/arch/arm/mach-omap1/mcbsp.c
@@ -28,9 +28,9 @@
#define DPS_RSTCT2_PER_EN (1 << 0)
#define DSP_RSTCT2_WD_PER_EN (1 << 1)
-#if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX)
-const char *clk_names[] = { "dsp_ck", "api_ck", "dspxor_ck" };
-#endif
+static int dsp_use;
+static struct clk *api_clk;
+static struct clk *dsp_clk;
static void omap1_mcbsp_request(unsigned int id)
{
@@ -39,20 +39,40 @@ static void omap1_mcbsp_request(unsigned int id)
* are DSP public peripherals.
*/
if (id == OMAP_MCBSP1 || id == OMAP_MCBSP3) {
- omap_dsp_request_mem();
- /*
- * DSP external peripheral reset
- * FIXME: This should be moved to dsp code
- */
- __raw_writew(__raw_readw(DSP_RSTCT2) | DPS_RSTCT2_PER_EN |
- DSP_RSTCT2_WD_PER_EN, DSP_RSTCT2);
+ if (dsp_use++ == 0) {
+ api_clk = clk_get(NULL, "api_clk");
+ dsp_clk = clk_get(NULL, "dsp_clk");
+ if (!IS_ERR(api_clk) && !IS_ERR(dsp_clk)) {
+ clk_enable(api_clk);
+ clk_enable(dsp_clk);
+
+ omap_dsp_request_mem();
+ /*
+ * DSP external peripheral reset
+ * FIXME: This should be moved to dsp code
+ */
+ __raw_writew(__raw_readw(DSP_RSTCT2) | DPS_RSTCT2_PER_EN |
+ DSP_RSTCT2_WD_PER_EN, DSP_RSTCT2);
+ }
+ }
}
}
static void omap1_mcbsp_free(unsigned int id)
{
- if (id == OMAP_MCBSP1 || id == OMAP_MCBSP3)
- omap_dsp_release_mem();
+ if (id == OMAP_MCBSP1 || id == OMAP_MCBSP3) {
+ if (--dsp_use == 0) {
+ omap_dsp_release_mem();
+ if (!IS_ERR(api_clk)) {
+ clk_disable(api_clk);
+ clk_put(api_clk);
+ }
+ if (!IS_ERR(dsp_clk)) {
+ clk_disable(dsp_clk);
+ clk_put(dsp_clk);
+ }
+ }
+ }
}
static struct omap_mcbsp_ops omap1_mcbsp_ops = {
@@ -94,8 +114,6 @@ static struct omap_mcbsp_platform_data omap15xx_mcbsp_pdata[] = {
.rx_irq = INT_McBSP1RX,
.tx_irq = INT_McBSP1TX,
.ops = &omap1_mcbsp_ops,
- .clk_names = clk_names,
- .num_clks = 3,
},
{
.phys_base = OMAP1510_MCBSP2_BASE,
@@ -112,8 +130,6 @@ static struct omap_mcbsp_platform_data omap15xx_mcbsp_pdata[] = {
.rx_irq = INT_McBSP3RX,
.tx_irq = INT_McBSP3TX,
.ops = &omap1_mcbsp_ops,
- .clk_names = clk_names,
- .num_clks = 3,
},
};
#define OMAP15XX_MCBSP_PDATA_SZ ARRAY_SIZE(omap15xx_mcbsp_pdata)
@@ -131,8 +147,6 @@ static struct omap_mcbsp_platform_data omap16xx_mcbsp_pdata[] = {
.rx_irq = INT_McBSP1RX,
.tx_irq = INT_McBSP1TX,
.ops = &omap1_mcbsp_ops,
- .clk_names = clk_names,
- .num_clks = 3,
},
{
.phys_base = OMAP1610_MCBSP2_BASE,
@@ -149,8 +163,6 @@ static struct omap_mcbsp_platform_data omap16xx_mcbsp_pdata[] = {
.rx_irq = INT_McBSP3RX,
.tx_irq = INT_McBSP3TX,
.ops = &omap1_mcbsp_ops,
- .clk_names = clk_names,
- .num_clks = 3,
},
};
#define OMAP16XX_MCBSP_PDATA_SZ ARRAY_SIZE(omap16xx_mcbsp_pdata)
diff --git a/arch/arm/mach-omap2/clock24xx.c b/arch/arm/mach-omap2/clock24xx.c
index ac038035c1c..ea21d55a207 100644
--- a/arch/arm/mach-omap2/clock24xx.c
+++ b/arch/arm/mach-omap2/clock24xx.c
@@ -139,16 +139,16 @@ static struct omap_clk omap24xx_clks[] = {
CLK(NULL, "gpt11_fck", &gpt11_fck, CK_243X | CK_242X),
CLK(NULL, "gpt12_ick", &gpt12_ick, CK_243X | CK_242X),
CLK(NULL, "gpt12_fck", &gpt12_fck, CK_243X | CK_242X),
- CLK("omap-mcbsp.1", "mcbsp_ick", &mcbsp1_ick, CK_243X | CK_242X),
- CLK("omap-mcbsp.1", "mcbsp_fck", &mcbsp1_fck, CK_243X | CK_242X),
- CLK("omap-mcbsp.2", "mcbsp_ick", &mcbsp2_ick, CK_243X | CK_242X),
- CLK("omap-mcbsp.2", "mcbsp_fck", &mcbsp2_fck, CK_243X | CK_242X),
- CLK("omap-mcbsp.3", "mcbsp_ick", &mcbsp3_ick, CK_243X),
- CLK("omap-mcbsp.3", "mcbsp_fck", &mcbsp3_fck, CK_243X),
- CLK("omap-mcbsp.4", "mcbsp_ick", &mcbsp4_ick, CK_243X),
- CLK("omap-mcbsp.4", "mcbsp_fck", &mcbsp4_fck, CK_243X),
- CLK("omap-mcbsp.5", "mcbsp_ick", &mcbsp5_ick, CK_243X),
- CLK("omap-mcbsp.5", "mcbsp_fck", &mcbsp5_fck, CK_243X),
+ CLK("omap-mcbsp.1", "ick", &mcbsp1_ick, CK_243X | CK_242X),
+ CLK("omap-mcbsp.1", "fck", &mcbsp1_fck, CK_243X | CK_242X),
+ CLK("omap-mcbsp.2", "ick", &mcbsp2_ick, CK_243X | CK_242X),
+ CLK("omap-mcbsp.2", "fck", &mcbsp2_fck, CK_243X | CK_242X),
+ CLK("omap-mcbsp.3", "ick", &mcbsp3_ick, CK_243X),
+ CLK("omap-mcbsp.3", "fck", &mcbsp3_fck, CK_243X),
+ CLK("omap-mcbsp.4", "ick", &mcbsp4_ick, CK_243X),
+ CLK("omap-mcbsp.4", "fck", &mcbsp4_fck, CK_243X),
+ CLK("omap-mcbsp.5", "ick", &mcbsp5_ick, CK_243X),
+ CLK("omap-mcbsp.5", "fck", &mcbsp5_fck, CK_243X),
CLK("omap2_mcspi.1", "ick", &mcspi1_ick, CK_243X | CK_242X),
CLK("omap2_mcspi.1", "fck", &mcspi1_fck, CK_243X | CK_242X),
CLK("omap2_mcspi.2", "ick", &mcspi2_ick, CK_243X | CK_242X),
diff --git a/arch/arm/mach-omap2/clock34xx.c b/arch/arm/mach-omap2/clock34xx.c
index d0bfae5a2f4..a70aa2eaf05 100644
--- a/arch/arm/mach-omap2/clock34xx.c
+++ b/arch/arm/mach-omap2/clock34xx.c
@@ -144,8 +144,8 @@ static struct omap_clk omap34xx_clks[] = {
CLK("i2c_omap.3", "i2c_fck", &i2c3_fck, CK_343X),
CLK("i2c_omap.2", "i2c_fck", &i2c2_fck, CK_343X),
CLK("i2c_omap.1", "i2c_fck", &i2c1_fck, CK_343X),
- CLK("omap-mcbsp.5", "mcbsp_fck", &mcbsp5_fck, CK_343X),
- CLK("omap-mcbsp.1", "mcbsp_fck", &mcbsp1_fck, CK_343X),
+ CLK("omap-mcbsp.5", "fck", &mcbsp5_fck, CK_343X),
+ CLK("omap-mcbsp.1", "fck", &mcbsp1_fck, CK_343X),
CLK(NULL, "core_48m_fck", &core_48m_fck, CK_343X),
CLK("omap2_mcspi.4", "fck", &mcspi4_fck, CK_343X),
CLK("omap2_mcspi.3", "fck", &mcspi3_fck, CK_343X),
@@ -186,8 +186,8 @@ static struct omap_clk omap34xx_clks[] = {
CLK(NULL, "uart1_ick", &uart1_ick, CK_343X),
CLK(NULL, "gpt11_ick", &gpt11_ick, CK_343X),
CLK(NULL, "gpt10_ick", &gpt10_ick, CK_343X),
- CLK("omap-mcbsp.5", "mcbsp_ick", &mcbsp5_ick, CK_343X),
- CLK("omap-mcbsp.1", "mcbsp_ick", &mcbsp1_ick, CK_343X),
+ CLK("omap-mcbsp.5", "ick", &mcbsp5_ick, CK_343X),
+ CLK("omap-mcbsp.1", "ick", &mcbsp1_ick, CK_343X),
CLK(NULL, "fac_ick", &fac_ick, CK_3430ES1),
CLK(NULL, "mailboxes_ick", &mailboxes_ick, CK_343X),
CLK(NULL, "omapctrl_ick", &omapctrl_ick, CK_343X),
@@ -257,12 +257,12 @@ static struct omap_clk omap34xx_clks[] = {
CLK(NULL, "gpt4_ick", &gpt4_ick, CK_343X),
CLK(NULL, "gpt3_ick", &gpt3_ick, CK_343X),
CLK(NULL, "gpt2_ick", &gpt2_ick, CK_343X),
- CLK("omap-mcbsp.2", "mcbsp_ick", &mcbsp2_ick, CK_343X),
- CLK("omap-mcbsp.3", "mcbsp_ick", &mcbsp3_ick, CK_343X),
- CLK("omap-mcbsp.4", "mcbsp_ick", &mcbsp4_ick, CK_343X),
- CLK("omap-mcbsp.2", "mcbsp_fck", &mcbsp2_fck, CK_343X),
- CLK("omap-mcbsp.3", "mcbsp_fck", &mcbsp3_fck, CK_343X),
- CLK("omap-mcbsp.4", "mcbsp_fck", &mcbsp4_fck, CK_343X),
+ CLK("omap-mcbsp.2", "ick", &mcbsp2_ick, CK_343X),
+ CLK("omap-mcbsp.3", "ick", &mcbsp3_ick, CK_343X),
+ CLK("omap-mcbsp.4", "ick", &mcbsp4_ick, CK_343X),
+ CLK("omap-mcbsp.2", "fck", &mcbsp2_fck, CK_343X),
+ CLK("omap-mcbsp.3", "fck", &mcbsp3_fck, CK_343X),
+ CLK("omap-mcbsp.4", "fck", &mcbsp4_fck, CK_343X),
CLK(NULL, "emu_src_ck", &emu_src_ck, CK_343X),
CLK(NULL, "pclk_fck", &pclk_fck, CK_343X),
CLK(NULL, "pclkx2_fck", &pclkx2_fck, CK_343X),
diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c
index a9e631fc113..a5c0f0435cd 100644
--- a/arch/arm/mach-omap2/mcbsp.c
+++ b/arch/arm/mach-omap2/mcbsp.c
@@ -24,8 +24,6 @@
#include <mach/cpu.h>
#include <mach/mcbsp.h>
-const char *clk_names[] = { "mcbsp_ick", "mcbsp_fck" };
-
static void omap2_mcbsp2_mux_setup(void)
{
omap_cfg_reg(Y15_24XX_MCBSP2_CLKX);
@@ -57,8 +55,6 @@ static struct omap_mcbsp_platform_data omap2420_mcbsp_pdata[] = {
.rx_irq = INT_24XX_MCBSP1_IRQ_RX,
.tx_irq = INT_24XX_MCBSP1_IRQ_TX,
.ops = &omap2_mcbsp_ops,
- .clk_names = clk_names,
- .num_clks = 2,
},
{
.phys_base = OMAP24XX_MCBSP2_BASE,
@@ -67,8 +63,6 @@ static struct omap_mcbsp_platform_data omap2420_mcbsp_pdata[] = {
.rx_irq = INT_24XX_MCBSP2_IRQ_RX,
.tx_irq = INT_24XX_MCBSP2_IRQ_TX,
.ops = &omap2_mcbsp_ops,
- .clk_names = clk_names,
- .num_clks = 2,
},
};
#define OMAP2420_MCBSP_PDATA_SZ ARRAY_SIZE(omap2420_mcbsp_pdata)
@@ -86,8 +80,6 @@ static struct omap_mcbsp_platform_data omap2430_mcbsp_pdata[] = {
.rx_irq = INT_24XX_MCBSP1_IRQ_RX,
.tx_irq = INT_24XX_MCBSP1_IRQ_TX,
.ops = &omap2_mcbsp_ops,
- .clk_names = clk_names,
- .num_clks = 2,
},
{
.phys_base = OMAP24XX_MCBSP2_BASE,
@@ -96,8 +88,6 @@ static struct omap_mcbsp_platform_data omap2430_mcbsp_pdata[] = {
.rx_irq = INT_24XX_MCBSP2_IRQ_RX,
.tx_irq = INT_24XX_MCBSP2_IRQ_TX,
.ops = &omap2_mcbsp_ops,
- .clk_names = clk_names,
- .num_clks = 2,
},
{
.phys_base = OMAP2430_MCBSP3_BASE,
@@ -106,8 +96,6 @@ static struct omap_mcbsp_platform_data omap2430_mcbsp_pdata[] = {
.rx_irq = INT_24XX_MCBSP3_IRQ_RX,
.tx_irq = INT_24XX_MCBSP3_IRQ_TX,
.ops = &omap2_mcbsp_ops,
- .clk_names = clk_names,
- .num_clks = 2,
},
{
.phys_base = OMAP2430_MCBSP4_BASE,
@@ -116,8 +104,6 @@ static struct omap_mcbsp_platform_data omap2430_mcbsp_pdata[] = {
.rx_irq = INT_24XX_MCBSP4_IRQ_RX,
.tx_irq = INT_24XX_MCBSP4_IRQ_TX,
.ops = &omap2_mcbsp_ops,
- .clk_names = clk_names,
- .num_clks = 2,
},
{
.phys_base = OMAP2430_MCBSP5_BASE,
@@ -126,8 +112,6 @@ static struct omap_mcbsp_platform_data omap2430_mcbsp_pdata[] = {
.rx_irq = INT_24XX_MCBSP5_IRQ_RX,
.tx_irq = INT_24XX_MCBSP5_IRQ_TX,
.ops = &omap2_mcbsp_ops,
- .clk_names = clk_names,
- .num_clks = 2,
},
};
#define OMAP2430_MCBSP_PDATA_SZ ARRAY_SIZE(omap2430_mcbsp_pdata)
@@ -145,8 +129,6 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
.rx_irq = INT_24XX_MCBSP1_IRQ_RX,
.tx_irq = INT_24XX_MCBSP1_IRQ_TX,
.ops = &omap2_mcbsp_ops,
- .clk_names = clk_names,
- .num_clks = 2,
},
{
.phys_base = OMAP34XX_MCBSP2_BASE,
@@ -155,8 +137,6 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
.rx_irq = INT_24XX_MCBSP2_IRQ_RX,
.tx_irq = INT_24XX_MCBSP2_IRQ_TX,
.ops = &omap2_mcbsp_ops,
- .clk_names = clk_names,
- .num_clks = 2,
},
{
.phys_base = OMAP34XX_MCBSP3_BASE,
@@ -165,8 +145,6 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
.rx_irq = INT_24XX_MCBSP3_IRQ_RX,
.tx_irq = INT_24XX_MCBSP3_IRQ_TX,
.ops = &omap2_mcbsp_ops,
- .clk_names = clk_names,
- .num_clks = 2,
},
{
.phys_base = OMAP34XX_MCBSP4_BASE,
@@ -175,8 +153,6 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
.rx_irq = INT_24XX_MCBSP4_IRQ_RX,
.tx_irq = INT_24XX_MCBSP4_IRQ_TX,
.ops = &omap2_mcbsp_ops,
- .clk_names = clk_names,
- .num_clks = 2,
},
{
.phys_base = OMAP34XX_MCBSP5_BASE,
@@ -185,8 +161,6 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
.rx_irq = INT_24XX_MCBSP5_IRQ_RX,
.tx_irq = INT_24XX_MCBSP5_IRQ_TX,
.ops = &omap2_mcbsp_ops,
- .clk_names = clk_names,
- .num_clks = 2,
},
};
#define OMAP34XX_MCBSP_PDATA_SZ ARRAY_SIZE(omap34xx_mcbsp_pdata)
diff --git a/arch/arm/plat-omap/include/mach/mcbsp.h b/arch/arm/plat-omap/include/mach/mcbsp.h
index 113c2466c86..bb154ea7676 100644
--- a/arch/arm/plat-omap/include/mach/mcbsp.h
+++ b/arch/arm/plat-omap/include/mach/mcbsp.h
@@ -344,8 +344,6 @@ struct omap_mcbsp_platform_data {
u8 dma_rx_sync, dma_tx_sync;
u16 rx_irq, tx_irq;
struct omap_mcbsp_ops *ops;
- char const **clk_names;
- int num_clks;
};
struct omap_mcbsp {
@@ -377,8 +375,8 @@ struct omap_mcbsp {
/* Protect the field .free, while checking if the mcbsp is in use */
spinlock_t lock;
struct omap_mcbsp_platform_data *pdata;
- struct clk **clks;
- int num_clks;
+ struct clk *iclk;
+ struct clk *fclk;
};
extern struct omap_mcbsp **mcbsp_ptr;
extern int omap_mcbsp_count;
diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
index e5842e30e53..28b0a824b8c 100644
--- a/arch/arm/plat-omap/mcbsp.c
+++ b/arch/arm/plat-omap/mcbsp.c
@@ -214,7 +214,6 @@ EXPORT_SYMBOL(omap_mcbsp_set_io_type);
int omap_mcbsp_request(unsigned int id)
{
struct omap_mcbsp *mcbsp;
- int i;
int err;
if (!omap_mcbsp_check_valid_id(id)) {
@@ -223,23 +222,23 @@ int omap_mcbsp_request(unsigned int id)
}
mcbsp = id_to_mcbsp_ptr(id);
- if (mcbsp->pdata && mcbsp->pdata->ops && mcbsp->pdata->ops->request)
- mcbsp->pdata->ops->request(id);
-
- for (i = 0; i < mcbsp->num_clks; i++)
- clk_enable(mcbsp->clks[i]);
-
spin_lock(&mcbsp->lock);
if (!mcbsp->free) {
dev_err(mcbsp->dev, "McBSP%d is currently in use\n",
mcbsp->id);
spin_unlock(&mcbsp->lock);
- return -1;
+ return -EBUSY;
}
mcbsp->free = 0;
spin_unlock(&mcbsp->lock);
+ if (mcbsp->pdata && mcbsp->pdata->ops && mcbsp->pdata->ops->request)
+ mcbsp->pdata->ops->request(id);
+
+ clk_enable(mcbsp->iclk);
+ clk_enable(mcbsp->fclk);
+
/*
* Make sure that transmitter, receiver and sample-rate generator are
* not running before activating IRQs.
@@ -278,7 +277,6 @@ EXPORT_SYMBOL(omap_mcbsp_request);
void omap_mcbsp_free(unsigned int id)
{
struct omap_mcbsp *mcbsp;
- int i;
if (!omap_mcbsp_check_valid_id(id)) {
printk(KERN_ERR "%s: Invalid id (%d)\n", __func__, id + 1);
@@ -289,8 +287,14 @@ void omap_mcbsp_free(unsigned int id)
if (mcbsp->pdata && mcbsp->pdata->ops && mcbsp->pdata->ops->free)
mcbsp->pdata->ops->free(id);
- for (i = mcbsp->num_clks - 1; i >= 0; i--)
- clk_disable(mcbsp->clks[i]);
+ clk_disable(mcbsp->fclk);
+ clk_disable(mcbsp->iclk);
+
+ if (mcbsp->io_type == OMAP_MCBSP_IRQ_IO) {
+ /* Free IRQs */
+ free_irq(mcbsp->rx_irq, (void *)mcbsp);
+ free_irq(mcbsp->tx_irq, (void *)mcbsp);
+ }
spin_lock(&mcbsp->lock);
if (mcbsp->free) {
@@ -302,12 +306,6 @@ void omap_mcbsp_free(unsigned int id)
mcbsp->free = 1;
spin_unlock(&mcbsp->lock);
-
- if (mcbsp->io_type == OMAP_MCBSP_IRQ_IO) {
- /* Free IRQs */
- free_irq(mcbsp->rx_irq, (void *)mcbsp);
- free_irq(mcbsp->tx_irq, (void *)mcbsp);
- }
}
EXPORT_SYMBOL(omap_mcbsp_free);
@@ -876,7 +874,6 @@ static int __devinit omap_mcbsp_probe(struct platform_device *pdev)
struct omap_mcbsp_platform_data *pdata = pdev->dev.platform_data;
struct omap_mcbsp *mcbsp;
int id = pdev->id - 1;
- int i;
int ret = 0;
if (!pdata) {
@@ -899,7 +896,6 @@ static int __devinit omap_mcbsp_probe(struct platform_device *pdev)
ret = -ENOMEM;
goto exit;
}
- mcbsp_ptr[id] = mcbsp;
spin_lock_init(&mcbsp->lock);
mcbsp->id = id + 1;
@@ -921,39 +917,32 @@ static int __devinit omap_mcbsp_probe(struct platform_device *pdev)
mcbsp->dma_rx_sync = pdata->dma_rx_sync;
mcbsp->dma_tx_sync = pdata->dma_tx_sync;
- if (pdata->num_clks) {
- mcbsp->num_clks = pdata->num_clks;
- mcbsp->clks = kzalloc(mcbsp->num_clks * sizeof(struct clk *),
- GFP_KERNEL);
- if (!mcbsp->clks) {
- ret = -ENOMEM;
- goto exit;
- }
- for (i = 0; i < mcbsp->num_clks; i++) {
- mcbsp->clks[i] = clk_get(&pdev->dev, pdata->clk_names[i]);
- if (IS_ERR(mcbsp->clks[i])) {
- dev_err(&pdev->dev,
- "Invalid %s configuration for McBSP%d.\n",
- pdata->clk_names[i], mcbsp->id);
- ret = PTR_ERR(mcbsp->clks[i]);
- goto err_clk;
- }
- }
+ mcbsp->iclk = clk_get(&pdev->dev, "ick");
+ if (IS_ERR(mcbsp->iclk)) {
+ ret = PTR_ERR(mcbsp->iclk);
+ dev_err(&pdev->dev, "unable to get ick: %d\n", ret);
+ goto err_iclk;
+ }
+ mcbsp->fclk = clk_get(&pdev->dev, "fck");
+ if (IS_ERR(mcbsp->fclk)) {
+ ret = PTR_ERR(mcbsp->fclk);
+ dev_err(&pdev->dev, "unable to get fck: %d\n", ret);
+ goto err_fclk;
}
mcbsp->pdata = pdata;
mcbsp->dev = &pdev->dev;
+ mcbsp_ptr[id] = mcbsp;
platform_set_drvdata(pdev, mcbsp);
return 0;
-err_clk:
- while (i--)
- clk_put(mcbsp->clks[i]);
- kfree(mcbsp->clks);
+err_fclk:
+ clk_put(mcbsp->iclk);
+err_iclk:
iounmap(mcbsp->io_base);
err_ioremap:
- mcbsp->free = 0;
+ kfree(mcbsp);
exit:
return ret;
}
@@ -961,7 +950,6 @@ exit:
static int __devexit omap_mcbsp_remove(struct platform_device *pdev)
{
struct omap_mcbsp *mcbsp = platform_get_drvdata(pdev);
- int i;
platform_set_drvdata(pdev, NULL);
if (mcbsp) {
@@ -970,18 +958,15 @@ static int __devexit omap_mcbsp_remove(struct platform_device *pdev)
mcbsp->pdata->ops->free)
mcbsp->pdata->ops->free(mcbsp->id);
- for (i = mcbsp->num_clks - 1; i >= 0; i--) {
- clk_disable(mcbsp->clks[i]);
- clk_put(mcbsp->clks[i]);
- }
+ clk_disable(mcbsp->fclk);
+ clk_disable(mcbsp->iclk);
+ clk_put(mcbsp->fclk);
+ clk_put(mcbsp->iclk);
iounmap(mcbsp->io_base);
- if (mcbsp->num_clks) {
- kfree(mcbsp->clks);
- mcbsp->clks = NULL;
- mcbsp->num_clks = 0;
- }
+ mcbsp->fclk = NULL;
+ mcbsp->iclk = NULL;
mcbsp->free = 0;
mcbsp->dev = NULL;
}
@@ -1002,4 +987,3 @@ int __init omap_mcbsp_init(void)
/* Register the McBSP driver */
return platform_driver_register(&omap_mcbsp_driver);
}
-
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-23 10:36:07 +0000