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Merge branch 'clk-next' of git://git.linaro.org/people/mturquette/linux into next/clock

* 'clk-next' of git://git.linaro.org/people/mturquette/linux:
  clk: Fix CLK_SET_RATE_GATE flag validation in clk_set_rate().
  clk: Provide dummy clk_unregister()
  ARM: Kirkwood: Replace clock gating
  ARM: Orion: Audio: Add clk/clkdev support
  ARM: Orion: PCIE: Add support for clk
  ARM: Orion: XOR: Add support for clk
  ARM: Orion: CESA: Add support for clk
  ARM: Orion: SDIO: Add support for clk.
  ARM: Orion: NAND: Add support for clk, if there is one.
  ARM: Orion: EHCI: Add support for enabling clocks
  ARM: Orion: SATA: Add per channel clk/clkdev support.
  ARM: Orion: UART: Get the clock rate via clk_get_rate().
  ARM: Orion: WDT: Add clk/clkdev support
  ARM: Orion: Eth: Add clk/clkdev support.
  ARM: Orion: SPI: Add clk/clkdev support.
  ARM: Orion: Add clocks using the generic clk infrastructure.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann
2012-05-16 16:35:25 +02:00
36 changed files with 585 additions and 264 deletions

View File

@@ -553,6 +553,7 @@ struct mv_host_priv {
#if defined(CONFIG_HAVE_CLK)
struct clk *clk;
struct clk **port_clks;
#endif
/*
* These consistent DMA memory pools give us guaranteed
@@ -4027,6 +4028,9 @@ static int mv_platform_probe(struct platform_device *pdev)
struct resource *res;
int n_ports = 0;
int rc;
#if defined(CONFIG_HAVE_CLK)
int port;
#endif
ata_print_version_once(&pdev->dev, DRV_VERSION);
@@ -4054,6 +4058,13 @@ static int mv_platform_probe(struct platform_device *pdev)
if (!host || !hpriv)
return -ENOMEM;
#if defined(CONFIG_HAVE_CLK)
hpriv->port_clks = devm_kzalloc(&pdev->dev,
sizeof(struct clk *) * n_ports,
GFP_KERNEL);
if (!hpriv->port_clks)
return -ENOMEM;
#endif
host->private_data = hpriv;
hpriv->n_ports = n_ports;
hpriv->board_idx = chip_soc;
@@ -4066,9 +4077,17 @@ static int mv_platform_probe(struct platform_device *pdev)
#if defined(CONFIG_HAVE_CLK)
hpriv->clk = clk_get(&pdev->dev, NULL);
if (IS_ERR(hpriv->clk))
dev_notice(&pdev->dev, "cannot get clkdev\n");
dev_notice(&pdev->dev, "cannot get optional clkdev\n");
else
clk_enable(hpriv->clk);
clk_prepare_enable(hpriv->clk);
for (port = 0; port < n_ports; port++) {
char port_number[16];
sprintf(port_number, "%d", port);
hpriv->port_clks[port] = clk_get(&pdev->dev, port_number);
if (!IS_ERR(hpriv->port_clks[port]))
clk_prepare_enable(hpriv->port_clks[port]);
}
#endif
/*
@@ -4098,9 +4117,15 @@ static int mv_platform_probe(struct platform_device *pdev)
err:
#if defined(CONFIG_HAVE_CLK)
if (!IS_ERR(hpriv->clk)) {
clk_disable(hpriv->clk);
clk_disable_unprepare(hpriv->clk);
clk_put(hpriv->clk);
}
for (port = 0; port < n_ports; port++) {
if (!IS_ERR(hpriv->port_clks[port])) {
clk_disable_unprepare(hpriv->port_clks[port]);
clk_put(hpriv->port_clks[port]);
}
}
#endif
return rc;
@@ -4119,14 +4144,21 @@ static int __devexit mv_platform_remove(struct platform_device *pdev)
struct ata_host *host = platform_get_drvdata(pdev);
#if defined(CONFIG_HAVE_CLK)
struct mv_host_priv *hpriv = host->private_data;
int port;
#endif
ata_host_detach(host);
#if defined(CONFIG_HAVE_CLK)
if (!IS_ERR(hpriv->clk)) {
clk_disable(hpriv->clk);
clk_disable_unprepare(hpriv->clk);
clk_put(hpriv->clk);
}
for (port = 0; port < host->n_ports; port++) {
if (!IS_ERR(hpriv->port_clks[port])) {
clk_disable_unprepare(hpriv->port_clks[port]);
clk_put(hpriv->port_clks[port]);
}
}
#endif
return 0;
}