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authorWolfram Sang <wsa@the-dreams.de>2017-03-30 10:53:48 -0400
committerWolfram Sang <wsa@the-dreams.de>2017-03-30 10:53:48 -0400
commit0bf9e1270b56b2376ba3b16d951cd0ed7c573f54 (patch)
tree9d24d895542f96f4571efebab2641096dcf4d642
parent97da3854c526d3a6ee05c849c96e48d21527606c (diff)
parentdbe4d69d252e9e65c6c46826980b77b11a142065 (diff)
Merge branch 'i2c-mux/for-current' of https://github.com/peda-r/i2c-mux into i2c/for-current
Pull in changes for 4.11 from the i2c-mux subsubsystem: "Here are some changes for the pca954x driver. It's a revert of the un-endorsed ACPI support and a fixup in the handling of PCA9546."
-rw-r--r--drivers/i2c/muxes/i2c-mux-pca954x.c34
1 files changed, 6 insertions, 28 deletions
diff --git a/drivers/i2c/muxes/i2c-mux-pca954x.c b/drivers/i2c/muxes/i2c-mux-pca954x.c
index dfc1c0e37c40..ad31d21da316 100644
--- a/drivers/i2c/muxes/i2c-mux-pca954x.c
+++ b/drivers/i2c/muxes/i2c-mux-pca954x.c
@@ -35,7 +35,6 @@
35 * warranty of any kind, whether express or implied. 35 * warranty of any kind, whether express or implied.
36 */ 36 */
37 37
38#include <linux/acpi.h>
39#include <linux/device.h> 38#include <linux/device.h>
40#include <linux/gpio/consumer.h> 39#include <linux/gpio/consumer.h>
41#include <linux/i2c.h> 40#include <linux/i2c.h>
@@ -117,6 +116,10 @@ static const struct chip_desc chips[] = {
117 .has_irq = 1, 116 .has_irq = 1,
118 .muxtype = pca954x_isswi, 117 .muxtype = pca954x_isswi,
119 }, 118 },
119 [pca_9546] = {
120 .nchans = 4,
121 .muxtype = pca954x_isswi,
122 },
120 [pca_9547] = { 123 [pca_9547] = {
121 .nchans = 8, 124 .nchans = 8,
122 .enable = 0x8, 125 .enable = 0x8,
@@ -134,28 +137,13 @@ static const struct i2c_device_id pca954x_id[] = {
134 { "pca9543", pca_9543 }, 137 { "pca9543", pca_9543 },
135 { "pca9544", pca_9544 }, 138 { "pca9544", pca_9544 },
136 { "pca9545", pca_9545 }, 139 { "pca9545", pca_9545 },
137 { "pca9546", pca_9545 }, 140 { "pca9546", pca_9546 },
138 { "pca9547", pca_9547 }, 141 { "pca9547", pca_9547 },
139 { "pca9548", pca_9548 }, 142 { "pca9548", pca_9548 },
140 { } 143 { }
141}; 144};
142MODULE_DEVICE_TABLE(i2c, pca954x_id); 145MODULE_DEVICE_TABLE(i2c, pca954x_id);
143 146
144#ifdef CONFIG_ACPI
145static const struct acpi_device_id pca954x_acpi_ids[] = {
146 { .id = "PCA9540", .driver_data = pca_9540 },
147 { .id = "PCA9542", .driver_data = pca_9542 },
148 { .id = "PCA9543", .driver_data = pca_9543 },
149 { .id = "PCA9544", .driver_data = pca_9544 },
150 { .id = "PCA9545", .driver_data = pca_9545 },
151 { .id = "PCA9546", .driver_data = pca_9545 },
152 { .id = "PCA9547", .driver_data = pca_9547 },
153 { .id = "PCA9548", .driver_data = pca_9548 },
154 { }
155};
156MODULE_DEVICE_TABLE(acpi, pca954x_acpi_ids);
157#endif
158
159#ifdef CONFIG_OF 147#ifdef CONFIG_OF
160static const struct of_device_id pca954x_of_match[] = { 148static const struct of_device_id pca954x_of_match[] = {
161 { .compatible = "nxp,pca9540", .data = &chips[pca_9540] }, 149 { .compatible = "nxp,pca9540", .data = &chips[pca_9540] },
@@ -393,17 +381,8 @@ static int pca954x_probe(struct i2c_client *client,
393 match = of_match_device(of_match_ptr(pca954x_of_match), &client->dev); 381 match = of_match_device(of_match_ptr(pca954x_of_match), &client->dev);
394 if (match) 382 if (match)
395 data->chip = of_device_get_match_data(&client->dev); 383 data->chip = of_device_get_match_data(&client->dev);
396 else if (id) 384 else
397 data->chip = &chips[id->driver_data]; 385 data->chip = &chips[id->driver_data];
398 else {
399 const struct acpi_device_id *acpi_id;
400
401 acpi_id = acpi_match_device(ACPI_PTR(pca954x_acpi_ids),
402 &client->dev);
403 if (!acpi_id)
404 return -ENODEV;
405 data->chip = &chips[acpi_id->driver_data];
406 }
407 386
408 data->last_chan = 0; /* force the first selection */ 387 data->last_chan = 0; /* force the first selection */
409 388
@@ -492,7 +471,6 @@ static struct i2c_driver pca954x_driver = {
492 .name = "pca954x", 471 .name = "pca954x",
493 .pm = &pca954x_pm, 472 .pm = &pca954x_pm,
494 .of_match_table = of_match_ptr(pca954x_of_match), 473 .of_match_table = of_match_ptr(pca954x_of_match),
495 .acpi_match_table = ACPI_PTR(pca954x_acpi_ids),
496 }, 474 },
497 .probe = pca954x_probe, 475 .probe = pca954x_probe,
498 .remove = pca954x_remove, 476 .remove = pca954x_remove,