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| author | Heiner Kallweit <hkallweit1@gmail.com> | 2017-03-25 16:12:04 +0300 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2017-03-30 18:31:22 +0300 |
| commit | 3911764cfbe7f5d229498d818aa2eff6e5611da8 (patch) | |
| tree | 045434604ea6eacf454facd2514951a6afd10457 /drivers/i2c/busses/i2c-meson.c | |
| parent | 3f205d7b47611f82316776c9ef7317525242307b (diff) | |
| download | linux-3911764cfbe7f5d229498d818aa2eff6e5611da8.tar.xz | |
i2c: meson: remove meson_i2c_write_tokens
meson_i2c_write_tokens is always called directly after
meson_i2c_prepare_xfer (and only then). So we can simplify the code by
removing meson_i2c_write_tokens and moving the two statements of
meson_i2c_write_tokens to the end of meson_i2c_prepare_xfer.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c/busses/i2c-meson.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-meson.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/drivers/i2c/busses/i2c-meson.c b/drivers/i2c/busses/i2c-meson.c index 3b3be0c8d1f1..be9f83bd92fc 100644 --- a/drivers/i2c/busses/i2c-meson.c +++ b/drivers/i2c/busses/i2c-meson.c @@ -123,12 +123,6 @@ static void meson_i2c_add_token(struct meson_i2c *i2c, int token) i2c->num_tokens++; } -static void meson_i2c_write_tokens(struct meson_i2c *i2c) -{ - writel(i2c->tokens[0], i2c->regs + REG_TOK_LIST0); - writel(i2c->tokens[1], i2c->regs + REG_TOK_LIST1); -} - static void meson_i2c_set_clk_div(struct meson_i2c *i2c, unsigned int freq) { unsigned long clk_rate = clk_get_rate(i2c->clk); @@ -210,6 +204,9 @@ static void meson_i2c_prepare_xfer(struct meson_i2c *i2c) if (i2c->last && i2c->pos + i2c->count >= i2c->msg->len) meson_i2c_add_token(i2c, TOKEN_STOP); + + writel(i2c->tokens[0], i2c->regs + REG_TOK_LIST0); + writel(i2c->tokens[1], i2c->regs + REG_TOK_LIST1); } static irqreturn_t meson_i2c_irq(int irqno, void *dev_id) @@ -275,12 +272,10 @@ static irqreturn_t meson_i2c_irq(int irqno, void *dev_id) } out: - if (i2c->state != STATE_IDLE) { + if (i2c->state != STATE_IDLE) /* Restart the processing */ - meson_i2c_write_tokens(i2c); meson_i2c_set_mask(i2c, REG_CTRL, REG_CTRL_START, REG_CTRL_START); - } spin_unlock(&i2c->lock); @@ -321,7 +316,6 @@ static int meson_i2c_xfer_msg(struct meson_i2c *i2c, struct i2c_msg *msg, i2c->state = (msg->flags & I2C_M_RD) ? STATE_READ : STATE_WRITE; meson_i2c_prepare_xfer(i2c); - meson_i2c_write_tokens(i2c); reinit_completion(&i2c->done); /* Start the transfer */ |