ata: libata-core: Remove unused function

Remove the function ata_do_simple_cmd() that is not used anywhere.

This was partially found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Tejun Heo <tj@kernel.org>

2 files changed, 0 insertions, 28 deletions

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 5c84fb5c3372..7cbcafa30550 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -1752,33 +1752,6 @@ unsigned ata_exec_internal(struct ata_device *dev,
 }
 
 /**
- *      ata_do_simple_cmd - execute simple internal command
- *      @dev: Device to which the command is sent
- *      @cmd: Opcode to execute
- *
- *      Execute a 'simple' command, that only consists of the opcode
- *      'cmd' itself, without filling any other registers
- *
- *      LOCKING:
- *      Kernel thread context (may sleep).
- *
- *      RETURNS:
- *      Zero on success, AC_ERR_* mask on failure
- */
-unsigned int ata_do_simple_cmd(struct ata_device *dev, u8 cmd)
-{
-        struct ata_taskfile tf;
-
-        ata_tf_init(dev, &tf);
-
-        tf.command = cmd;
-        tf.flags |= ATA_TFLAG_DEVICE;
-        tf.protocol = ATA_PROT_NODATA;
-
-        return ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 0);
-}
-
-/**
  *      ata_pio_need_iordy      -       check if iordy needed
  *      @adev: ATA device
  *
diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h
index 5f4e0cca56ec..82ebe263d2f1 100644
--- a/drivers/ata/libata.h
+++ b/drivers/ata/libata.h
@@ -76,7 +76,6 @@ extern unsigned ata_exec_internal_sg(struct ata_device *dev,
                                      struct ata_taskfile *tf, const u8 *cdb,
                                      int dma_dir, struct scatterlist *sg,
                                      unsigned int n_elem, unsigned long timeout);
-extern unsigned int ata_do_simple_cmd(struct ata_device *dev, u8 cmd);
 extern int ata_wait_ready(struct ata_link *link, unsigned long deadline,
                           int (*check_ready)(struct ata_link *link));
 extern int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class,