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68d9cb8214
Run tested: ath79, ipq40xx Build tested: ath79, ipq40xx Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
60 lines
1.8 KiB
Diff
60 lines
1.8 KiB
Diff
From: Russell King <rmk+kernel@armlinux.org.uk>
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Bcc: linux@mail.armlinux.org.uk
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Cc: linux-i2c@vger.kernel.org
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Subject: [PATCH 01/17] i2c: pxa: use official address byte helper
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MIME-Version: 1.0
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Content-Disposition: inline
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Content-Transfer-Encoding: 8bit
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Content-Type: text/plain; charset="utf-8"
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i2c-pxa was created before i2c_8bit_addr_from_msg() was implemented,
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and used its own i2c_pxa_addr_byte() which is functionally the same.
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Sadly, it was never updated to use this new helper. Switch it over.
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Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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---
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drivers/i2c/busses/i2c-pxa.c | 21 +++++++--------------
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1 file changed, 7 insertions(+), 14 deletions(-)
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--- a/drivers/i2c/busses/i2c-pxa.c
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+++ b/drivers/i2c/busses/i2c-pxa.c
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@@ -674,16 +674,6 @@ static void i2c_pxa_slave_stop(struct px
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* PXA I2C Master mode
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*/
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-static inline unsigned int i2c_pxa_addr_byte(struct i2c_msg *msg)
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-{
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- unsigned int addr = (msg->addr & 0x7f) << 1;
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-
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- if (msg->flags & I2C_M_RD)
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- addr |= 1;
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-
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- return addr;
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-}
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-
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static inline void i2c_pxa_start_message(struct pxa_i2c *i2c)
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{
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u32 icr;
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@@ -691,8 +681,8 @@ static inline void i2c_pxa_start_message
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/*
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* Step 1: target slave address into IDBR
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*/
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- writel(i2c_pxa_addr_byte(i2c->msg), _IDBR(i2c));
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- i2c->req_slave_addr = i2c_pxa_addr_byte(i2c->msg);
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+ i2c->req_slave_addr = i2c_8bit_addr_from_msg(i2c->msg);
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+ writel(i2c->req_slave_addr, _IDBR(i2c));
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/*
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* Step 2: initiate the write.
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@@ -1003,8 +993,8 @@ static void i2c_pxa_irq_txempty(struct p
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/*
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* Write the next address.
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*/
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- writel(i2c_pxa_addr_byte(i2c->msg), _IDBR(i2c));
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- i2c->req_slave_addr = i2c_pxa_addr_byte(i2c->msg);
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+ i2c->req_slave_addr = i2c_8bit_addr_from_msg(i2c->msg);
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+ writel(i2c->req_slave_addr, _IDBR(i2c));
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/*
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* And trigger a repeated start, and send the byte.
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