From: Stephen Boyd <sboyd@codeaurora.org>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: linux-kernel@vger.kernel.org,
Sascha Hauer <kernel@pengutronix.de>,
Peter De Schrijver <pdeschrijver@nvidia.com>,
Tero Kristo <t-kristo@ti.com>,
Russell King <linux@arm.linux.org.uk>,
Dinh Nguyen <dinguyen@opensource.altera.com>
Subject: Re: [PATCH v5 2/8] clk: mmp: switch to GENMASK()
Date: Tue, 21 Jul 2015 16:53:54 -0700 [thread overview]
Message-ID: <20150721235354.GB15042@codeaurora.org> (raw)
In-Reply-To: <1436796468-45723-3-git-send-email-andriy.shevchenko@linux.intel.com>
On 07/13, Andy Shevchenko wrote:
> diff --git a/drivers/clk/mmp/clk.h b/drivers/clk/mmp/clk.h
> index adf9b71..f5fdb0e 100644
> --- a/drivers/clk/mmp/clk.h
> +++ b/drivers/clk/mmp/clk.h
> @@ -39,7 +39,7 @@ extern struct clk *mmp_clk_register_factor(const char *name,
>
> /* Clock type "mix" */
> #define MMP_CLK_BITS_MASK(width, shift) \
> - (((1 << (width)) - 1) << (shift))
> + (GENMASK((width) - 1, 0) << (shift))
This can push the shift into the GENMASK instance too:
(GENMASK((width) - 1 + (shift), (shift))
> #define MMP_CLK_BITS_GET_VAL(data, width, shift) \
> ((data & MMP_CLK_BITS_MASK(width, shift)) >> (shift))
> #define MMP_CLK_BITS_SET_VAL(val, width, shift) \
> --
> 2.1.4
>
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project
next prev parent reply other threads:[~2015-07-21 23:53 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-13 14:07 [PATCH v5 0/8] clk: replace div_mask() by GENMASK() Andy Shevchenko
2015-07-13 14:07 ` [PATCH v5 1/8] clk: divider: switch to GENMASK() Andy Shevchenko
2015-07-21 23:48 ` Stephen Boyd
2015-07-22 13:03 ` Andy Shevchenko
2015-07-13 14:07 ` [PATCH v5 2/8] clk: mmp: " Andy Shevchenko
2015-07-21 23:53 ` Stephen Boyd [this message]
2015-07-22 13:04 ` Andy Shevchenko
2015-07-13 14:07 ` [PATCH v5 3/8] clk: socfpga: " Andy Shevchenko
2015-07-13 15:48 ` Dinh Nguyen
2015-07-22 0:00 ` Stephen Boyd
2015-07-13 14:07 ` [PATCH v5 4/8] clk: ti: divider: " Andy Shevchenko
2015-07-13 14:07 ` [PATCH v5 5/8] clk: tegra: " Andy Shevchenko
2015-07-13 14:07 ` [PATCH v5 6/8] clk: hisilicon: " Andy Shevchenko
2015-07-13 14:07 ` [PATCH v5 7/8] clk: bcm: " Andy Shevchenko
2015-07-13 14:07 ` [PATCH v5 8/8] ARM: imx: " Andy Shevchenko
2015-10-09 15:41 ` [PATCH v5 0/8] clk: replace div_mask() by GENMASK() Andy Shevchenko
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