OMAP2/3: mmc-twl4030: Free up MMC regulators while cleaning up
twl_mmc_cleanup() must free up the regulators that were allocated by twl_mmc_late_init(). This eliminates the below error when 'omap_hsmmc' module is repeatedly loaded and unloaded. "sysfs: cannot create duplicate filename '/devices/platform /mmci-omap-hs.0/microamps_requested_vmmc'" Signed-off-by: Roger Quadros <ext-roger.quadros@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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@ -119,6 +119,7 @@ static int twl_mmc_late_init(struct device *dev)
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if (i != 0)
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break;
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ret = PTR_ERR(reg);
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hsmmc[i].vcc = NULL;
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goto err;
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}
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hsmmc[i].vcc = reg;
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@ -165,8 +166,13 @@ done:
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static void twl_mmc_cleanup(struct device *dev)
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{
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struct omap_mmc_platform_data *mmc = dev->platform_data;
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int i;
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gpio_free(mmc->slots[0].switch_pin);
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for(i = 0; i < ARRAY_SIZE(hsmmc); i++) {
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regulator_put(hsmmc[i].vcc);
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regulator_put(hsmmc[i].vcc_aux);
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}
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}
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#ifdef CONFIG_PM
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