From: Stephen Boyd <sboyd@codeaurora.org>
To: Mike Looijmans <mike.looijmans@topic.nl>
Cc: linux-clk@vger.kernel.org, mturquette@baylibre.com,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3] Add driver for the si514 clock generator chip
Date: Fri, 2 Oct 2015 12:18:04 -0700 [thread overview]
Message-ID: <20151002191804.GS12338@codeaurora.org> (raw)
In-Reply-To: <1443770129-7757-1-git-send-email-mike.looijmans@topic.nl>
On 10/02, Mike Looijmans wrote:
> This patch adds the driver and devicetree documentation for the
> Silicon Labs SI514 clock generator chip. This is an I2C controlled
> oscillator capable of generating clock signals ranging from 100kHz
> to 250MHz.
>
> Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
> ---
Applied to clk-next. We can handle any stuff about assigned rates
in a follow up patch.
Also, I squashed in this for some cleanup.
diff --git a/drivers/clk/clk-si514.c b/drivers/clk/clk-si514.c
index 779aebcd884b..6af7dce54241 100644
--- a/drivers/clk/clk-si514.c
+++ b/drivers/clk/clk-si514.c
@@ -16,7 +16,6 @@
* GNU General Public License for more details.
*/
-#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/delay.h>
#include <linux/module.h>
@@ -87,14 +86,11 @@ static int si514_get_muldiv(struct clk_si514 *data,
if (err)
return err;
- settings->m_frac =
- reg[0] |
- ((u32)reg[1] << 8) |
- ((u32)reg[2] << 16) |
- ((u32)(reg[3] & 0x1F) << 24);
- settings->m_int = ((reg[4] & 0x3f) << 3) | (reg[3] >> 5);
+ settings->m_frac = reg[0] | reg[1] << 8 | reg[2] << 16 |
+ (reg[3] & 0x1F) << 24;
+ settings->m_int = (reg[4] & 0x3f) << 3 | reg[3] >> 5;
settings->ls_div_bits = (reg[6] >> 4) & 0x07;
- settings->hs_div = ((u16)(reg[6] & 0x03) << 8) | reg[5];
+ settings->hs_div = (reg[6] & 0x03) << 8 | reg[5];
return 0;
}
@@ -132,7 +128,7 @@ static int si514_set_muldiv(struct clk_si514 *data,
reg[0] = settings->m_frac;
reg[1] = settings->m_frac >> 8;
reg[2] = settings->m_frac >> 16;
- reg[3] = (settings->m_frac >> 24) | (settings->m_int << 5);
+ reg[3] = settings->m_frac >> 24 | settings->m_int << 5;
reg[4] = settings->m_int >> 3;
reg[5] = settings->hs_div;
reg[6] = (settings->hs_div >> 8) | (settings->ls_div_bits << 4);
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project
next prev parent reply other threads:[~2015-10-02 19:18 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1442478495-23522-1-git-send-email-mike.looijmans@topic.nl>
2015-09-17 11:04 ` [PATCH v2] Add driver for the si514 clock generator chip Mike Looijmans
2015-10-01 23:34 ` Stephen Boyd
2015-10-02 6:02 ` Mike Looijmans
2015-10-02 18:10 ` Stephen Boyd
2015-10-02 7:15 ` [PATCH v3] " Mike Looijmans
2015-10-02 19:18 ` Stephen Boyd [this message]
2015-10-05 6:06 ` Mike Looijmans
2015-10-05 18:10 ` Stephen Boyd
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