backports: remove devm_regmap_init_spi()

This is not used by any code in backports, not even a DRM driver.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

diff --git a/backport/backport-include/linux/regmap.h b/backport/backport-include/linux/regmap.h
index ac6a3f25805ebac7b6ffff22f607f67d7b0d9487..870ea2c2d4c59c65427631bb8c0df0f16e6255cf 100644 (file)
--- a/backport/backport-include/linux/regmap.h
+++ b/backport/backport-include/linux/regmap.h
@@ -25,11 +25,6 @@ struct regmap *devm_regmap_init(struct device *dev,
 struct regmap *devm_regmap_init_i2c(struct i2c_client *i2c,
                                    const struct regmap_config *config);
 #endif /* defined(CONFIG_REGMAP_I2C) */
-#if defined(CONFIG_REGMAP_SPI)
-#define devm_regmap_init_spi LINUX_BACKPORT(devm_regmap_init_spi)
-struct regmap *devm_regmap_init_spi(struct spi_device *dev,
-                                   const struct regmap_config *config);
-#endif /* defined(CONFIG_REGMAP_SPI) */
 
 /*
  * We can't backport these unless we try to backport

diff --git a/backport/compat/compat-3.4.c b/backport/compat/compat-3.4.c
index 99dfb0cbf042330416ef125517cd71337597f1b9..f6b826d3f82be2872f8d73d1674047f74765fced 100644 (file)
--- a/backport/compat/compat-3.4.c
+++ b/backport/compat/compat-3.4.c
@@ -260,79 +260,6 @@ struct regmap *devm_regmap_init_i2c(struct i2c_client *i2c,
 EXPORT_SYMBOL_GPL(devm_regmap_init_i2c);
 #endif /* defined(CONFIG_REGMAP_I2C) */
 
-#if defined(CONFIG_REGMAP_SPI)
-static int regmap_spi_write(
-                           struct device *dev,
-                           const void *data, size_t count)
-{
-       struct spi_device *spi = to_spi_device(dev);
-
-       return spi_write(spi, data, count);
-}
-
-static int regmap_spi_gather_write(
-                                  struct device *dev,
-                                  const void *reg, size_t reg_len,
-                                  const void *val, size_t val_len)
-{
-       struct spi_device *spi = to_spi_device(dev);
-       struct spi_message m;
-       struct spi_transfer t[2] = { { .tx_buf = reg, .len = reg_len, },
-                                    { .tx_buf = val, .len = val_len, }, };
-
-       spi_message_init(&m);
-       spi_message_add_tail(&t[0], &m);
-       spi_message_add_tail(&t[1], &m);
-
-       return spi_sync(spi, &m);
-}
-
-static int regmap_spi_read(
-                          struct device *dev,
-                          const void *reg, size_t reg_size,
-                          void *val, size_t val_size)
-{
-       struct spi_device *spi = to_spi_device(dev);
-
-       return spi_write_then_read(spi, reg, reg_size, val, val_size);
-}
-
-static struct regmap_bus regmap_spi = {
-       .write = regmap_spi_write,
-       .gather_write = regmap_spi_gather_write,
-/*
- * See commit 0d509f2b112b
- * only 3.9 kernels have this we'll ignore it
- * given I have not seen drivers use these we
- * are backporting. We'll -EINVAL these.
- */
-#if 0
-       .async_write = regmap_spi_async_write,
-       .async_alloc = regmap_spi_async_alloc,
-#endif
-       .read = regmap_spi_read,
-       .read_flag_mask = 0x80,
-
-};
-
-/**
- * devm_regmap_init_spi(): Initialise register map
- *
- * @spi: Device that will be interacted with
- * @config: Configuration for register map
- *
- * The return value will be an ERR_PTR() on error or a valid pointer
- * to a struct regmap.  The map will be automatically freed by the
- * device management code.
- */
-struct regmap *devm_regmap_init_spi(struct spi_device *spi,
-                                   const struct regmap_config *config)
-{
-       return devm_regmap_init(&spi->dev, &regmap_spi, config);
-}
-EXPORT_SYMBOL_GPL(devm_regmap_init_spi);
-#endif /* defined(CONFIG_REGMAP_SPI) */
-
 #endif /* defined(CONFIG_REGMAP) */
 #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) */