Thread (20 messages) 20 messages, 2 authors, 2019-03-25

Re: [PATCH V2 9/9] spi: bcm2835aux: make the polling duration limits configurable

From: Stefan Wahren <hidden>
Date: 2019-03-25 10:00:42
Also in: linux-spi

Am 25.03.19 um 10:49 schrieb kernel@martin.sperl.org:
quoted
On 25.03.2019, at 10:44, Stefan Wahren [off-list ref] wrote:

Hi Martin,

Am 24.03.19 um 18:50 schrieb kernel@martin.sperl.org:
quoted
From: Martin Sperl <redacted>

+/* define polling limits */
+unsigned int polling_limit_us = 30;
+module_param(polling_limit_us, uint, 0664);
+MODULE_PARM_DESC(polling_limit_us,
+		 "time in us to run a transfer in polling mode\n");
+
could you please document the case polling_limit_us = 0 ?
Means no polling under any circumstances - I can add it as a comment in V3.
I meant the parameter description, because users shouldn't be forced to
look at the source code.
martin

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