C++ (Cpp) mmc_send_bus_test Beispiele

Beispiel #1

Datei: mmc_ops.c Projekt: WayWingsDev/gopro-linux

int mmc_bus_test(struct mmc_card *card, u8 bus_width)
{
	int err, width;

#if defined(CONFIG_AMBARELLA_IPC) && defined(CONFIG_MMC_AMBARELLA) && !defined(CONFIG_NOT_SHARE_SD_CONTROLLER_WITH_UITRON)
	struct ipc_sdinfo *sdinfo = ambarella_sd_get_sdinfo(card->host);
	if (sdinfo->is_init) {
		u32 bus = (sdinfo->bus_width == 8) ? MMC_BUS_WIDTH_8:
			  (sdinfo->bus_width == 4) ? MMC_BUS_WIDTH_4:
						     MMC_BUS_WIDTH_1;
		int rval = (bus_width == bus) ? 0: -EINVAL;
		return rval;
	}
#endif
	if (bus_width == MMC_BUS_WIDTH_8)
		width = 8;
	else if (bus_width == MMC_BUS_WIDTH_4)
		width = 4;
	else if (bus_width == MMC_BUS_WIDTH_1)
		return 0; /* no need for test */
	else
		return -EINVAL;

	/*
	 * Ignore errors from BUS_TEST_W.  BUS_TEST_R will fail if there
	 * is a problem.  This improves chances that the test will work.
	 */
	mmc_send_bus_test(card, card->host, MMC_BUS_TEST_W, width);
	err = mmc_send_bus_test(card, card->host, MMC_BUS_TEST_R, width);
	return err;
}

Beispiel #2

Datei: mmc_ops.c Projekt: DirtyDroidX/android_kernel_htc_m8ul

int mmc_bus_test(struct mmc_card *card, u8 bus_width)
{
	int err, width;

	if (bus_width == MMC_BUS_WIDTH_8)
		width = 8;
	else if (bus_width == MMC_BUS_WIDTH_4)
		width = 4;
	else if (bus_width == MMC_BUS_WIDTH_1)
		return 0; 
	else
		return -EINVAL;

	mmc_send_bus_test(card, card->host, MMC_BUS_TEST_W, width);
	err = mmc_send_bus_test(card, card->host, MMC_BUS_TEST_R, width);
	return err;
}

Beispiel #3

Datei: mmc_ops.c Projekt: asmalldev/linux

int mmc_bus_test(struct mmc_card *card, u8 bus_width)
{
	int width;

	if (bus_width == MMC_BUS_WIDTH_8)
		width = 8;
	else if (bus_width == MMC_BUS_WIDTH_4)
		width = 4;
	else if (bus_width == MMC_BUS_WIDTH_1)
		return 0; /* no need for test */
	else
		return -EINVAL;

	/*
	 * Ignore errors from BUS_TEST_W.  BUS_TEST_R will fail if there
	 * is a problem.  This improves chances that the test will work.
	 */
	mmc_send_bus_test(card, card->host, MMC_BUS_TEST_W, width);
	return mmc_send_bus_test(card, card->host, MMC_BUS_TEST_R, width);
}