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Commit 39a80c7f authored by Russell King's avatar Russell King Committed by Russell King
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[ARM] omap: watchdog: convert clocks to match by devid and conid



This eliminates the need for separate OMAP24xx and OMAP34xx clock
requesting code sections.

Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent f1c25437
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+1 −1
Original line number Diff line number Diff line
@@ -85,7 +85,7 @@ static struct omap_clk omap_clks[] = {
	CLK(NULL,	"arm_gpio_ck",	&arm_gpio_ck,	CK_1510 | CK_310),
	CLK(NULL,	"armxor_ck",	&armxor_ck.clk,	CK_16XX | CK_1510 | CK_310),
	CLK(NULL,	"armtim_ck",	&armtim_ck.clk,	CK_16XX | CK_1510 | CK_310),
	CLK(NULL,	"armwdt_ck",	&armwdt_ck.clk,	CK_16XX | CK_1510 | CK_310),
	CLK("omap_wdt",	"fck",		&armwdt_ck.clk,	CK_16XX | CK_1510 | CK_310),
	CLK(NULL,	"arminth_ck",	&arminth_ck1510, CK_1510 | CK_310),
	CLK(NULL,	"arminth_ck",	&arminth_ck16xx, CK_16XX),
	/* CK_GEN2 clocks */
+2 −2
Original line number Diff line number Diff line
@@ -163,8 +163,8 @@ static struct omap_clk omap24xx_clks[] = {
	CLK(NULL,	"uart3_fck",	&uart3_fck,	CK_243X | CK_242X),
	CLK(NULL,	"gpios_ick",	&gpios_ick,	CK_243X | CK_242X),
	CLK(NULL,	"gpios_fck",	&gpios_fck,	CK_243X | CK_242X),
	CLK(NULL,	"mpu_wdt_ick",	&mpu_wdt_ick,	CK_243X | CK_242X),
	CLK(NULL,	"mpu_wdt_fck",	&mpu_wdt_fck,	CK_243X | CK_242X),
	CLK("omap_wdt",	"ick",		&mpu_wdt_ick,	CK_243X | CK_242X),
	CLK("omap_wdt",	"fck",		&mpu_wdt_fck,	CK_243X | CK_242X),
	CLK(NULL,	"sync_32k_ick",	&sync_32k_ick,	CK_243X | CK_242X),
	CLK(NULL,	"wdt1_ick",	&wdt1_ick,	CK_243X | CK_242X),
	CLK(NULL,	"omapctrl_ick",	&omapctrl_ick,	CK_243X | CK_242X),
+2 −2
Original line number Diff line number Diff line
@@ -214,10 +214,10 @@ static struct omap_clk omap34xx_clks[] = {
	CLK(NULL,	"gpt1_fck",	&gpt1_fck,	CK_343X),
	CLK(NULL,	"wkup_32k_fck",	&wkup_32k_fck,	CK_343X),
	CLK(NULL,	"gpio1_dbck",	&gpio1_dbck,	CK_343X),
	CLK(NULL,	"wdt2_fck",	&wdt2_fck,	CK_343X),
	CLK("omap_wdt",	"fck",		&wdt2_fck,	CK_343X),
	CLK(NULL,	"wkup_l4_ick",	&wkup_l4_ick,	CK_343X),
	CLK(NULL,	"usim_ick",	&usim_ick,	CK_3430ES2),
	CLK(NULL,	"wdt2_ick",	&wdt2_ick,	CK_343X),
	CLK("omap_wdt",	"ick",		&wdt2_ick,	CK_343X),
	CLK(NULL,	"wdt1_ick",	&wdt1_ick,	CK_343X),
	CLK(NULL,	"gpio1_ick",	&gpio1_ick,	CK_343X),
	CLK(NULL,	"omap_32ksync_ick", &omap_32ksync_ick, CK_343X),
+25 −68
Original line number Diff line number Diff line
@@ -60,9 +60,8 @@ struct omap_wdt_dev {
	void __iomem    *base;          /* physical */
	struct device   *dev;
	int             omap_wdt_users;
	struct clk      *armwdt_ck;
	struct clk      *mpu_wdt_ick;
	struct clk      *mpu_wdt_fck;
	struct clk      *ick;
	struct clk      *fck;
	struct resource *mem;
	struct miscdevice omap_wdt_miscdev;
};
@@ -146,13 +145,9 @@ static int omap_wdt_open(struct inode *inode, struct file *file)
	if (test_and_set_bit(1, (unsigned long *)&(wdev->omap_wdt_users)))
		return -EBUSY;

	if (cpu_is_omap16xx())
		clk_enable(wdev->armwdt_ck);	/* Enable the clock */

	if (cpu_is_omap24xx() || cpu_is_omap34xx()) {
		clk_enable(wdev->mpu_wdt_ick);    /* Enable the interface clock */
		clk_enable(wdev->mpu_wdt_fck);    /* Enable the functional clock */
	}
	if (wdev->ick)
		clk_enable(wdev->ick);    /* Enable the interface clock */
	clk_enable(wdev->fck);    /* Enable the functional clock */

	/* initialize prescaler */
	while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x01)
@@ -181,13 +176,9 @@ static int omap_wdt_release(struct inode *inode, struct file *file)

	omap_wdt_disable(wdev);

	if (cpu_is_omap16xx())
		clk_disable(wdev->armwdt_ck);	/* Disable the clock */

	if (cpu_is_omap24xx() || cpu_is_omap34xx()) {
		clk_disable(wdev->mpu_wdt_ick);	/* Disable the clock */
		clk_disable(wdev->mpu_wdt_fck);	/* Disable the clock */
	}
	if (wdev->ick)
		clk_disable(wdev->ick);
	clk_disable(wdev->fck);
#else
	printk(KERN_CRIT "omap_wdt: Unexpected close, not stopping!\n");
#endif
@@ -303,44 +294,21 @@ static int __init omap_wdt_probe(struct platform_device *pdev)
	wdev->omap_wdt_users = 0;
	wdev->mem = mem;

	if (cpu_is_omap16xx()) {
		wdev->armwdt_ck = clk_get(&pdev->dev, "armwdt_ck");
		if (IS_ERR(wdev->armwdt_ck)) {
			ret = PTR_ERR(wdev->armwdt_ck);
			wdev->armwdt_ck = NULL;
	if (cpu_is_omap24xx() || cpu_is_omap34xx()) {
		wdev->ick = clk_get(&pdev->dev, "ick");
		if (IS_ERR(wdev->ick)) {
			ret = PTR_ERR(wdev->ick);
			wdev->ick = NULL;
			goto err_clk;
		}
	}

	if (cpu_is_omap24xx()) {
		wdev->mpu_wdt_ick = clk_get(&pdev->dev, "mpu_wdt_ick");
		if (IS_ERR(wdev->mpu_wdt_ick)) {
			ret = PTR_ERR(wdev->mpu_wdt_ick);
			wdev->mpu_wdt_ick = NULL;
	wdev->fck = clk_get(&pdev->dev, "fck");
	if (IS_ERR(wdev->fck)) {
		ret = PTR_ERR(wdev->fck);
		wdev->fck = NULL;
		goto err_clk;
	}
		wdev->mpu_wdt_fck = clk_get(&pdev->dev, "mpu_wdt_fck");
		if (IS_ERR(wdev->mpu_wdt_fck)) {
			ret = PTR_ERR(wdev->mpu_wdt_fck);
			wdev->mpu_wdt_fck = NULL;
			goto err_clk;
		}
	}

	if (cpu_is_omap34xx()) {
		wdev->mpu_wdt_ick = clk_get(&pdev->dev, "wdt2_ick");
		if (IS_ERR(wdev->mpu_wdt_ick)) {
			ret = PTR_ERR(wdev->mpu_wdt_ick);
			wdev->mpu_wdt_ick = NULL;
			goto err_clk;
		}
		wdev->mpu_wdt_fck = clk_get(&pdev->dev, "wdt2_fck");
		if (IS_ERR(wdev->mpu_wdt_fck)) {
			ret = PTR_ERR(wdev->mpu_wdt_fck);
			wdev->mpu_wdt_fck = NULL;
			goto err_clk;
		}
	}
	wdev->base = ioremap(res->start, res->end - res->start + 1);
	if (!wdev->base) {
		ret = -ENOMEM;
@@ -380,12 +348,10 @@ err_ioremap:
	wdev->base = NULL;

err_clk:
	if (wdev->armwdt_ck)
		clk_put(wdev->armwdt_ck);
	if (wdev->mpu_wdt_ick)
		clk_put(wdev->mpu_wdt_ick);
	if (wdev->mpu_wdt_fck)
		clk_put(wdev->mpu_wdt_fck);
	if (wdev->ick)
		clk_put(wdev->ick);
	if (wdev->fck)
		clk_put(wdev->fck);
	kfree(wdev);

err_kzalloc:
@@ -417,20 +383,11 @@ static int omap_wdt_remove(struct platform_device *pdev)
	release_mem_region(res->start, res->end - res->start + 1);
	platform_set_drvdata(pdev, NULL);

	if (wdev->armwdt_ck) {
		clk_put(wdev->armwdt_ck);
		wdev->armwdt_ck = NULL;
	if (wdev->ick) {
		clk_put(wdev->ick);
	}

	if (wdev->mpu_wdt_ick) {
		clk_put(wdev->mpu_wdt_ick);
		wdev->mpu_wdt_ick = NULL;
	}

	if (wdev->mpu_wdt_fck) {
		clk_put(wdev->mpu_wdt_fck);
		wdev->mpu_wdt_fck = NULL;
	}
	clk_put(wdev->fck);
	iounmap(wdev->base);

	kfree(wdev);