From: Felipe Balbi <balbi-l0cyMroinI0@public.gmane.org>
To: Shubhrajyoti Datta
<omaplinuxkernel-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: balbi-l0cyMroinI0@public.gmane.org,
Shubhrajyoti D <shubhrajyoti-l0cyMroinI0@public.gmane.org>,
linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
ben-linux-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org,
tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org,
w.sang-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org
Subject: Re: [PATCH v2] i2c: omap: re-factor omap_i2c_init function
Date: Thu, 25 Oct 2012 10:03:50 +0300 [thread overview]
Message-ID: <20121025070349.GA5259@arwen.pp.htv.fi> (raw)
In-Reply-To: <CAM=Q2cvzQ7fVL1-vUpWZdwhGk3s0GpO3uG3MH9CAzBvyeSftKQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
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Hi,
On Thu, Oct 25, 2012 at 12:23:56PM +0530, Shubhrajyoti Datta wrote:
> >> @@ -1268,23 +1276,8 @@ static int omap_i2c_runtime_resume(struct device *dev)
> >> {
> >> struct omap_i2c_dev *_dev = dev_get_drvdata(dev);
> >>
> >> - if (_dev->flags & OMAP_I2C_FLAG_RESET_REGS_POSTIDLE) {
> >> - omap_i2c_write_reg(_dev, OMAP_I2C_CON_REG, 0);
> >> - omap_i2c_write_reg(_dev, OMAP_I2C_PSC_REG, _dev->pscstate);
> >> - omap_i2c_write_reg(_dev, OMAP_I2C_SCLL_REG, _dev->scllstate);
> >> - omap_i2c_write_reg(_dev, OMAP_I2C_SCLH_REG, _dev->sclhstate);
> >> - omap_i2c_write_reg(_dev, OMAP_I2C_BUF_REG, _dev->bufstate);
> >> - omap_i2c_write_reg(_dev, OMAP_I2C_SYSC_REG, _dev->syscstate);
> >> - omap_i2c_write_reg(_dev, OMAP_I2C_WE_REG, _dev->westate);
> >> - omap_i2c_write_reg(_dev, OMAP_I2C_CON_REG, OMAP_I2C_CON_EN);
> >> - }
> >> -
> >> - /*
> >> - * Don't write to this register if the IE state is 0 as it can
> >> - * cause deadlock.
> >> - */
> >> - if (_dev->iestate)
> >> - omap_i2c_write_reg(_dev, OMAP_I2C_IE_REG, _dev->iestate);
> >> + if (_dev->flags & OMAP_I2C_FLAG_RESET_REGS_POSTIDLE)
> >> + __omap_i2c_init(_dev);
> >>
> >> return 0;
> >> }
> >
> > you continue to miss the changes in omap_i2c_xfer_msg() and your
> > explanation of why not doing it wasn't good enough IMHO.
>
> Will do that . I am preparing a seperate patch for moving the
> calculation to a seperate function.
why do you need yet another function ? omap_i2c_init() does all
calculation and __omap_i2c_init() doesn't do any calculations. What's
the point for yet another function ?
--
balbi
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WARNING: multiple messages have this Message-ID (diff)
From: balbi@ti.com (Felipe Balbi)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2] i2c: omap: re-factor omap_i2c_init function
Date: Thu, 25 Oct 2012 10:03:50 +0300 [thread overview]
Message-ID: <20121025070349.GA5259@arwen.pp.htv.fi> (raw)
In-Reply-To: <CAM=Q2cvzQ7fVL1-vUpWZdwhGk3s0GpO3uG3MH9CAzBvyeSftKQ@mail.gmail.com>
Hi,
On Thu, Oct 25, 2012 at 12:23:56PM +0530, Shubhrajyoti Datta wrote:
> >> @@ -1268,23 +1276,8 @@ static int omap_i2c_runtime_resume(struct device *dev)
> >> {
> >> struct omap_i2c_dev *_dev = dev_get_drvdata(dev);
> >>
> >> - if (_dev->flags & OMAP_I2C_FLAG_RESET_REGS_POSTIDLE) {
> >> - omap_i2c_write_reg(_dev, OMAP_I2C_CON_REG, 0);
> >> - omap_i2c_write_reg(_dev, OMAP_I2C_PSC_REG, _dev->pscstate);
> >> - omap_i2c_write_reg(_dev, OMAP_I2C_SCLL_REG, _dev->scllstate);
> >> - omap_i2c_write_reg(_dev, OMAP_I2C_SCLH_REG, _dev->sclhstate);
> >> - omap_i2c_write_reg(_dev, OMAP_I2C_BUF_REG, _dev->bufstate);
> >> - omap_i2c_write_reg(_dev, OMAP_I2C_SYSC_REG, _dev->syscstate);
> >> - omap_i2c_write_reg(_dev, OMAP_I2C_WE_REG, _dev->westate);
> >> - omap_i2c_write_reg(_dev, OMAP_I2C_CON_REG, OMAP_I2C_CON_EN);
> >> - }
> >> -
> >> - /*
> >> - * Don't write to this register if the IE state is 0 as it can
> >> - * cause deadlock.
> >> - */
> >> - if (_dev->iestate)
> >> - omap_i2c_write_reg(_dev, OMAP_I2C_IE_REG, _dev->iestate);
> >> + if (_dev->flags & OMAP_I2C_FLAG_RESET_REGS_POSTIDLE)
> >> + __omap_i2c_init(_dev);
> >>
> >> return 0;
> >> }
> >
> > you continue to miss the changes in omap_i2c_xfer_msg() and your
> > explanation of why not doing it wasn't good enough IMHO.
>
> Will do that . I am preparing a seperate patch for moving the
> calculation to a seperate function.
why do you need yet another function ? omap_i2c_init() does all
calculation and __omap_i2c_init() doesn't do any calculations. What's
the point for yet another function ?
--
balbi
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next prev parent reply other threads:[~2012-10-25 7:03 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-25 6:36 [PATCH v2] i2c: omap: re-factor omap_i2c_init function Shubhrajyoti D
2012-10-25 6:36 ` Shubhrajyoti D
2012-10-25 6:36 ` Felipe Balbi
2012-10-25 6:36 ` Felipe Balbi
[not found] ` <20121025063608.GA5084-S8G//mZuvNWo5Im9Ml3/Zg@public.gmane.org>
2012-10-25 6:53 ` Shubhrajyoti Datta
2012-10-25 6:53 ` Shubhrajyoti Datta
[not found] ` <CAM=Q2cvzQ7fVL1-vUpWZdwhGk3s0GpO3uG3MH9CAzBvyeSftKQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-10-25 7:03 ` Felipe Balbi [this message]
2012-10-25 7:03 ` Felipe Balbi
2012-10-25 9:34 ` Shubhrajyoti Datta
2012-10-25 9:34 ` Shubhrajyoti Datta
2012-10-25 10:09 ` Felipe Balbi
2012-10-25 10:09 ` Felipe Balbi
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