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SubjectRe: [PATCH v5 19/23] drivers/fsi: Add GPIO based FSI master
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On 04/04/17 19:06, Christopher Bostic wrote:
> From: Chris Bostic <cbostic@linux.vnet.ibm.com>
>
> Implement a FSI master using GPIO. Will generate FSI protocol for
> read and write commands to particular addresses. Sends master command
> and waits for and decodes a slave response.
>
> Includes changes from Edward A. James <eajames@us.ibm.com> and Jeremy
> Kerr <jk@ozlabs.org>.
>
> Signed-off-by: Edward A. James <eajames@us.ibm.com>
> Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
> Signed-off-by: Chris Bostic <cbostic@linux.vnet.ibm.com>
> Signed-off-by: Joel Stanley <joel@jms.id.au>
> ---
> drivers/fsi/Kconfig | 11 +
> drivers/fsi/Makefile | 1 +
> drivers/fsi/fsi-master-gpio.c | 610 ++++++++++++++++++++++++++++++++++++++++++
> 3 files changed, 622 insertions(+)
> create mode 100644 drivers/fsi/fsi-master-gpio.c
>
> diff --git a/drivers/fsi/Kconfig b/drivers/fsi/Kconfig
> index 04c1a0e..9cf8345 100644
> --- a/drivers/fsi/Kconfig
> +++ b/drivers/fsi/Kconfig
> @@ -9,4 +9,15 @@ config FSI
> ---help---
> FSI - the FRU Support Interface - is a simple bus for low-level
> access to POWER-based hardware.
> +
> +if FSI
> +
> +config FSI_MASTER_GPIO
> + tristate "GPIO-based FSI master"
> + depends on FSI && GPIOLIB

depends on FSI is redundant since "if FSI" does the same thing.

> + ---help---
> + This option enables a FSI master driver using GPIO lines.
> +
> +endif
> +


--
~Randy

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