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path: root/drivers/mmc/core/host.c
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Diffstat (limited to 'drivers/mmc/core/host.c')
-rw-r--r--drivers/mmc/core/host.c21
1 files changed, 8 insertions, 13 deletions
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index 03c53b72a2d6..270d58a4c43d 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -311,7 +311,8 @@ int mmc_of_parse(struct mmc_host *host)
311 struct device_node *np; 311 struct device_node *np;
312 u32 bus_width; 312 u32 bus_width;
313 int len, ret; 313 int len, ret;
314 bool cap_invert, gpio_invert; 314 bool cd_cap_invert, cd_gpio_invert = false;
315 bool ro_cap_invert, ro_gpio_invert = false;
315 316
316 if (!host->parent || !host->parent->of_node) 317 if (!host->parent || !host->parent->of_node)
317 return 0; 318 return 0;
@@ -359,16 +360,13 @@ int mmc_of_parse(struct mmc_host *host)
359 if (of_find_property(np, "non-removable", &len)) { 360 if (of_find_property(np, "non-removable", &len)) {
360 host->caps |= MMC_CAP_NONREMOVABLE; 361 host->caps |= MMC_CAP_NONREMOVABLE;
361 } else { 362 } else {
362 if (of_property_read_bool(np, "cd-inverted")) 363 cd_cap_invert = of_property_read_bool(np, "cd-inverted");
363 cap_invert = true;
364 else
365 cap_invert = false;
366 364
367 if (of_find_property(np, "broken-cd", &len)) 365 if (of_find_property(np, "broken-cd", &len))
368 host->caps |= MMC_CAP_NEEDS_POLL; 366 host->caps |= MMC_CAP_NEEDS_POLL;
369 367
370 ret = mmc_gpiod_request_cd(host, "cd", 0, true, 368 ret = mmc_gpiod_request_cd(host, "cd", 0, true,
371 0, &gpio_invert); 369 0, &cd_gpio_invert);
372 if (ret) { 370 if (ret) {
373 if (ret == -EPROBE_DEFER) 371 if (ret == -EPROBE_DEFER)
374 return ret; 372 return ret;
@@ -391,17 +389,14 @@ int mmc_of_parse(struct mmc_host *host)
391 * both inverted, the end result is that the CD line is 389 * both inverted, the end result is that the CD line is
392 * not inverted. 390 * not inverted.
393 */ 391 */
394 if (cap_invert ^ gpio_invert) 392 if (cd_cap_invert ^ cd_gpio_invert)
395 host->caps2 |= MMC_CAP2_CD_ACTIVE_HIGH; 393 host->caps2 |= MMC_CAP2_CD_ACTIVE_HIGH;
396 } 394 }
397 395
398 /* Parse Write Protection */ 396 /* Parse Write Protection */
399 if (of_property_read_bool(np, "wp-inverted")) 397 ro_cap_invert = of_property_read_bool(np, "wp-inverted");
400 cap_invert = true;
401 else
402 cap_invert = false;
403 398
404 ret = mmc_gpiod_request_ro(host, "wp", 0, false, 0, &gpio_invert); 399 ret = mmc_gpiod_request_ro(host, "wp", 0, false, 0, &ro_gpio_invert);
405 if (ret) { 400 if (ret) {
406 if (ret == -EPROBE_DEFER) 401 if (ret == -EPROBE_DEFER)
407 goto out; 402 goto out;
@@ -414,7 +409,7 @@ int mmc_of_parse(struct mmc_host *host)
414 dev_info(host->parent, "Got WP GPIO\n"); 409 dev_info(host->parent, "Got WP GPIO\n");
415 410
416 /* See the comment on CD inversion above */ 411 /* See the comment on CD inversion above */
417 if (cap_invert ^ gpio_invert) 412 if (ro_cap_invert ^ ro_gpio_invert)
418 host->caps2 |= MMC_CAP2_RO_ACTIVE_HIGH; 413 host->caps2 |= MMC_CAP2_RO_ACTIVE_HIGH;
419 414
420 if (of_find_property(np, "cap-sd-highspeed", &len)) 415 if (of_find_property(np, "cap-sd-highspeed", &len))