summaryrefslogtreecommitdiff
path: root/drivers/platform
diff options
context:
space:
mode:
authorVadim Pasternak <vadimp@nvidia.com>2020-11-25 12:10:56 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-12-30 11:51:12 +0100
commit4dc1360203c442826ed6306d7f73b10eb7cec9ee (patch)
tree3bf0e0f6eb9f9de11b55077a0ea94d3f61581883 /drivers/platform
parent3432883ae89600838b65b321bdbc86f05cc1ac3a (diff)
downloadlinux-4dc1360203c442826ed6306d7f73b10eb7cec9ee.tar.gz
linux-4dc1360203c442826ed6306d7f73b10eb7cec9ee.tar.bz2
linux-4dc1360203c442826ed6306d7f73b10eb7cec9ee.zip
platform/x86: mlx-platform: Remove PSU EEPROM from MSN274x platform configuration
[ Upstream commit 912b341585e302ee44fc5a2733f7bcf505e2c86f ] Remove PSU EEPROM configuration for systems class equipped with Mellanox chip Spectrum and ATOM CPU - system types MSN274x. Till now all the systems from this class used few types of power units, all equipped with EEPROM device with address space two bytes. Thus, all these devices have been handled by EEPROM driver "24c02". There is a new requirement is to support power unit replacement by "off the shelf" device, matching electrical required parameters. Such device can be equipped with different EEPROM type, which could be one byte address space addressing or even could be not equipped with EEPROM. In such case "24c02" will not work. Fixes: ef08e14a3 ("platform/x86: mlx-platform: Add support for new msn274x system type") Signed-off-by: Vadim Pasternak <vadimp@nvidia.com> Link: https://lore.kernel.org/r/20201125101056.174708-3-vadimp@nvidia.com Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/x86/mlx-platform.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/platform/x86/mlx-platform.c b/drivers/platform/x86/mlx-platform.c
index bd57d3bbaa43..4b3d94c4a939 100644
--- a/drivers/platform/x86/mlx-platform.c
+++ b/drivers/platform/x86/mlx-platform.c
@@ -442,15 +442,13 @@ static struct mlxreg_core_data mlxplat_mlxcpld_msn274x_psu_items_data[] = {
.label = "psu1",
.reg = MLXPLAT_CPLD_LPC_REG_PSU_OFFSET,
.mask = BIT(0),
- .hpdev.brdinfo = &mlxplat_mlxcpld_psu[0],
- .hpdev.nr = MLXPLAT_CPLD_PSU_MSNXXXX_NR,
+ .hpdev.nr = MLXPLAT_CPLD_NR_NONE,
},
{
.label = "psu2",
.reg = MLXPLAT_CPLD_LPC_REG_PSU_OFFSET,
.mask = BIT(1),
- .hpdev.brdinfo = &mlxplat_mlxcpld_psu[1],
- .hpdev.nr = MLXPLAT_CPLD_PSU_MSNXXXX_NR,
+ .hpdev.nr = MLXPLAT_CPLD_NR_NONE,
},
};