linux_dsm_epyc7002/include/dt-bindings/phy/phy-ocelot-serdes.h

/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
/* Copyright (c) 2018 Microsemi Corporation */
#ifndef __PHY_OCELOT_SERDES_H__
#define __PHY_OCELOT_SERDES_H__

#define SERDES1G(x)	(x)
#define SERDES1G_MAX	SERDES1G(5)
#define SERDES6G(x)	(SERDES1G_MAX + 1 + (x))
#define SERDES6G_MAX	SERDES6G(2)
#define SERDES_MAX	(SERDES6G_MAX + 1)

#endif
dt-bindings: add constants for Microsemi Ocelot SerDes driver The Microsemi Ocelot has multiple SerDes and requires that the SerDes be muxed accordingly to the hardware representation. Let's add a constant for each SerDes available in the Microsemi Ocelot. Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Quentin Schulz <quentin.schulz@bootlin.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> 2018-10-04 19:22:06 +07:00			`/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */`
			`/* Copyright (c) 2018 Microsemi Corporation */`
			`#ifndef __PHY_OCELOT_SERDES_H__`
			`#define __PHY_OCELOT_SERDES_H__`

			`#define SERDES1G(x) (x)`
			`#define SERDES1G_MAX SERDES1G(5)`
			`#define SERDES6G(x) (SERDES1G_MAX + 1 + (x))`
			`#define SERDES6G_MAX SERDES6G(2)`
dt-bindings: phy: Update SERDES_MAX to be SERDES_MAX + 1 SERDES_MAX is a valid value to index ctrl->phys in drivers/phy/mscc/phy-ocelot-serdes.c. But, currently, there is an out-of-bounds bug in the mentioned driver when reading from ctrl->phys, because the size of array ctrl->phys is SERDES_MAX. Partially fix this by updating SERDES_MAX to be SERDES6G_MAX + 1. Notice that this is the first part of the solution to the out-of-bounds bug mentioned above. Although this change is not dependent on any other one. Suggested-by: Quentin Schulz <quentin.schulz@bootlin.com> Reviewed-by: Quentin Schulz <quentin.schulz@bootlin.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: David S. Miller <davem@davemloft.net> 2018-10-19 16:19:13 +07:00			`#define SERDES_MAX (SERDES6G_MAX + 1)`
dt-bindings: add constants for Microsemi Ocelot SerDes driver The Microsemi Ocelot has multiple SerDes and requires that the SerDes be muxed accordingly to the hardware representation. Let's add a constant for each SerDes available in the Microsemi Ocelot. Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Quentin Schulz <quentin.schulz@bootlin.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> 2018-10-04 19:22:06 +07:00
			`#endif`