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received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: S1XgwRkzRlouV8V69Gu3V6w7G+RBp3Xfb5xma6q9vXpXy7Ttdj3MQ2nH/psrNOThagn3Khq01MwiTJR1ezpu1139OndWWI9S5i1Q4aPWarugd9DxqbwMriW5EgBHf1urKfHBB+OI4nCEm6Qkw44XATt+RP4QpKkpHlFaox36UC06UYt/mFZOUNhWSqxlo3Xc9g/EhM4wAhHOr6rC9zzuHhPO3Sc7b1aUv/7avIyPDbOxvXkuCuKLCfSAnHf3XpdG77UoypBlf2i8VDCvNKiKfqXyoQu49ALQZjUDhfcJKrKSdVxSTHP6IkcvVTQJRQHA1mo5QIqbvoIjc5M6mpBQvBOg++PBmhdz0j3VD27UQxNVghzkc7aARHDgbeDu+08y0Qunem6k8A5QcLoyF1QnP7//lcKWkGnBlcx4fWjImT+FNhFCvNUduTc0EBbW876M Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 44863b37-9d58-4c98-9a6b-08d768208b5f X-MS-Exchange-CrossTenant-originalarrivaltime: 13 Nov 2019 10:02:09.3089 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: b2/9ycAprkbjI0u5Yc06x6em55H9BgX8hdKwV0PPx+ackqJA637nBwBTwcdQtjAwB6AkgRnSwTC69OlVJl9R8Q== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR04MB7058 Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org From: Peng Fan It is ok to use relaxed api here, no need to use stronger readl/writel Signed-off-by: Peng Fan --- drivers/clk/imx/clk-composite-8m.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/clk/imx/clk-composite-8m.c b/drivers/clk/imx/clk-compo= site-8m.c index 20f7c91c03d2..513dc57483d0 100644 --- a/drivers/clk/imx/clk-composite-8m.c +++ b/drivers/clk/imx/clk-composite-8m.c @@ -31,14 +31,14 @@ static unsigned long imx8m_clk_composite_divider_recalc= _rate(struct clk_hw *hw, unsigned int prediv_value; unsigned int div_value; =20 - prediv_value =3D readl(divider->reg) >> divider->shift; + prediv_value =3D readl_relaxed(divider->reg) >> divider->shift; prediv_value &=3D clk_div_mask(divider->width); =20 prediv_rate =3D divider_recalc_rate(hw, parent_rate, prediv_value, NULL, divider->flags, divider->width); =20 - div_value =3D readl(divider->reg) >> PCG_DIV_SHIFT; + div_value =3D readl_relaxed(divider->reg) >> PCG_DIV_SHIFT; div_value &=3D clk_div_mask(PCG_DIV_WIDTH); =20 return divider_recalc_rate(hw, prediv_rate, div_value, NULL, @@ -104,13 +104,13 @@ static int imx8m_clk_composite_divider_set_rate(struc= t clk_hw *hw, =20 spin_lock_irqsave(divider->lock, flags); =20 - val =3D readl(divider->reg); + val =3D readl_relaxed(divider->reg); val &=3D ~((clk_div_mask(divider->width) << divider->shift) | (clk_div_mask(PCG_DIV_WIDTH) << PCG_DIV_SHIFT)); =20 val |=3D (u32)(prediv_value - 1) << divider->shift; val |=3D (u32)(div_value - 1) << PCG_DIV_SHIFT; - writel(val, divider->reg); + writel_relaxed(val, divider->reg); =20 spin_unlock_irqrestore(divider->lock, flags); =20 --=20 2.16.4