| Message ID | 20250213141045.2716943-8-andriy.shevchenko@linux.intel.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | i2c: busses: Introduce and use i2c_10bit_addr_*_from_msg() | expand |
Il 13/02/25 15:07, Andy Shevchenko ha scritto: > Use i2c_10bit_addr_*_from_msg() helpers instead of local copy. > No functional change intended. > > Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Can we please do the helper conversion as one commit and the (much needed) cleanup of assigning len and de-duplicating the call to mtk_i2c_cmd() as two commits? One with just the conversion, one with the cleanup (or in inverse order, as you wish). Thanks, Angelo > --- > drivers/i2c/busses/i2c-mt7621.c | 20 ++++++++------------ > 1 file changed, 8 insertions(+), 12 deletions(-) > > diff --git a/drivers/i2c/busses/i2c-mt7621.c b/drivers/i2c/busses/i2c-mt7621.c > index 2103f21f9ddd..0a288c998419 100644 > --- a/drivers/i2c/busses/i2c-mt7621.c > +++ b/drivers/i2c/busses/i2c-mt7621.c > @@ -164,22 +164,18 @@ static int mtk_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, > /* write address */ > if (pmsg->flags & I2C_M_TEN) { > /* 10 bits address */ > - addr = 0xf0 | ((pmsg->addr >> 7) & 0x06); > - addr |= (pmsg->addr & 0xff) << 8; > - if (pmsg->flags & I2C_M_RD) > - addr |= 1; > - iowrite32(addr, i2c->base + REG_SM0D0_REG); > - ret = mtk_i2c_cmd(i2c, SM0CTL1_WRITE, 2); > - if (ret) > - goto err_timeout; > + addr = i2c_10bit_addr_hi_from_msg(pmsg); > + addr |= i2c_10bit_addr_lo_from_msg(pmsg) << 8; > + len = 2; > } else { > /* 7 bits address */ > addr = i2c_8bit_addr_from_msg(pmsg); > - iowrite32(addr, i2c->base + REG_SM0D0_REG); > - ret = mtk_i2c_cmd(i2c, SM0CTL1_WRITE, 1); > - if (ret) > - goto err_timeout; > + len = 1; > } > + iowrite32(addr, i2c->base + REG_SM0D0_REG); > + ret = mtk_i2c_cmd(i2c, SM0CTL1_WRITE, len); > + if (ret) > + goto err_timeout; > > /* check address ACK */ > if (!(pmsg->flags & I2C_M_IGNORE_NAK)) {
On Thu, Feb 13, 2025 at 05:01:20PM +0100, AngeloGioacchino Del Regno wrote: > Il 13/02/25 15:07, Andy Shevchenko ha scritto: > > Use i2c_10bit_addr_*_from_msg() helpers instead of local copy. > > No functional change intended. > > > > Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> > > Can we please do the helper conversion as one commit and the (much needed) > cleanup of assigning len and de-duplicating the call to mtk_i2c_cmd() as > two commits? > > One with just the conversion, one with the cleanup (or in inverse order, > as you wish). Yes we can.
diff --git a/drivers/i2c/busses/i2c-mt7621.c b/drivers/i2c/busses/i2c-mt7621.c index 2103f21f9ddd..0a288c998419 100644 --- a/drivers/i2c/busses/i2c-mt7621.c +++ b/drivers/i2c/busses/i2c-mt7621.c @@ -164,22 +164,18 @@ static int mtk_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, /* write address */ if (pmsg->flags & I2C_M_TEN) { /* 10 bits address */ - addr = 0xf0 | ((pmsg->addr >> 7) & 0x06); - addr |= (pmsg->addr & 0xff) << 8; - if (pmsg->flags & I2C_M_RD) - addr |= 1; - iowrite32(addr, i2c->base + REG_SM0D0_REG); - ret = mtk_i2c_cmd(i2c, SM0CTL1_WRITE, 2); - if (ret) - goto err_timeout; + addr = i2c_10bit_addr_hi_from_msg(pmsg); + addr |= i2c_10bit_addr_lo_from_msg(pmsg) << 8; + len = 2; } else { /* 7 bits address */ addr = i2c_8bit_addr_from_msg(pmsg); - iowrite32(addr, i2c->base + REG_SM0D0_REG); - ret = mtk_i2c_cmd(i2c, SM0CTL1_WRITE, 1); - if (ret) - goto err_timeout; + len = 1; } + iowrite32(addr, i2c->base + REG_SM0D0_REG); + ret = mtk_i2c_cmd(i2c, SM0CTL1_WRITE, len); + if (ret) + goto err_timeout; /* check address ACK */ if (!(pmsg->flags & I2C_M_IGNORE_NAK)) {
Use i2c_10bit_addr_*_from_msg() helpers instead of local copy. No functional change intended. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- drivers/i2c/busses/i2c-mt7621.c | 20 ++++++++------------ 1 file changed, 8 insertions(+), 12 deletions(-)