BMC/Intel-BMC/linux.git/drivers/fsi, branch dev-4.19

Merge tag 'v4.19.13' into dev-4.19

2019-01-03T08:51:37+00:00

This is the 4.19.13 stable release Signed-off-by: Joel Stanley

fsi: master-ast-cf: select GENERIC_ALLOCATOR

2018-12-17T08:24:35+00:00

[ Upstream commit 64999fa7aa2c076ec6d05aee481f11f5296ceb8c ] In randconfig builds without CONFIG_GENERIC_ALLOCATOR, this driver fails to link: ERROR: "gen_pool_alloc_algo" [drivers/fsi/fsi-master-ast-cf.ko] undefined! ERROR: "gen_pool_fixed_alloc" [drivers/fsi/fsi-master-ast-cf.ko] undefined! ERROR: "of_gen_pool_get" [drivers/fsi/fsi-master-ast-cf.ko] undefined! ERROR: "gen_pool_free" [drivers/fsi/fsi-master-ast-cf.ko] undefined! Select the dependency as all other users do. Fixes: 6a794a27daca ("fsi: master-ast-cf: Add new FSI master using Aspeed ColdFire") Signed-off-by: Arnd Bergmann Signed-off-by: Benjamin Herrenschmidt Signed-off-by: Sasha Levin

drivers/fsi: Add On-Chip Controller (OCC) driver

2018-12-02T22:30:21+00:00

The OCC is a device embedded on a POWER processor that collects and aggregates sensor data from the processor and system. The OCC can provide the raw sensor data as well as perform thermal and power management on the system. This driver provides an atomic communications channel between a service processor (e.g. a BMC) and the OCC. The driver is dependent on the FSI SBEFIFO driver to get hardware access through the SBE to the OCC SRAM. Commands are issued to the SBE to send or fetch data to the SRAM. This version of the driver uses the new fsi-core controlled chardev allocator and use a real cdev instead of a miscdev. OpenBMC-Staging-Count: 5 Signed-off-by: Edward A. James Signed-off-by: Andrew Jeffery Signed-off-by: Benjamin Herrenschmidt Signed-off-by: Joel Stanley

fsi: sbefifo: Add missing mutex_unlock

2018-12-02T22:29:03+00:00

There was no unlock of the FFDC mutex. Fixes: 9f4a8a2d7f9d ("fsi/sbefifo: Add driver for the SBE FIFO") Signed-off-by: Eddie James Signed-off-by: Benjamin Herrenschmidt (cherry picked from commit c00bac88764a0f294d34b40e5f4987de8ceab711) Signed-off-by: Joel Stanley

fsi: sbefifo: Bump max command length

2018-08-08T05:44:47+00:00

Otherwise cronus putmem fails istep and BML fails to upload skiboot To do that, we still use our one-page command buffer for small commands for speed, and for anything bigger, with a limit of 1MB plus a page, we vmalloc a temporary buffer. The limit was chosen because Cronus will break up any data transfer into 1M chunks (the extra page is for the command header). Signed-off-by: Benjamin Herrenschmidt Reviewed-by: Andrew Jeffery

fsi: scom: Fix NULL dereference

2018-08-06T02:27:04+00:00

The chardev conversion forgot to copy the fsi_dev, silly mistake, compounded by a testing mistake on my side, this specific driver wasn't being tested properly. Fixes: d8f4587655f9 "fsi: scom: Convert to use the new chardev" Signed-off-by: Benjamin Herrenschmidt

fsi: Prevent multiple concurrent rescans

2018-07-26T23:58:12+00:00

The bus scanning process isn't terribly good at parallel attempts at rescanning the same bus. Let's have a per-master mutex protecting the scanning process. Signed-off-by: Benjamin Herrenschmidt

fsi: Add cfam char devices

2018-07-26T23:58:05+00:00

This aims to deprecate the "raw" sysfs file used for directly accessing the CFAM and instead use a char device like the other sub drivers. Since it reworks the slave creation code and adds a cfam device type, we also use the opportunity to convert the attributes to attribute groups and add a couple more. Signed-off-by: Benjamin Herrenschmidt

fsi: scom: Convert to use the new chardev

2018-07-26T23:57:55+00:00

This converts FSI scom to use the new fsi-core controlled chardev allocator and use a real cdev instead of a miscdev. Signed-off-by: Benjamin Herrenschmidt

fsi: sbefifo: Convert to use the new chardev

2018-07-26T23:57:31+00:00

This converts FSI sbefifo to use the new fsi-core controlled chardev allocator and use a real cdev instead of a miscdev. One side effect is to fix the object lifetime by removing the use of devm_kzalloc() for something that contains kobjects, and using proper reference counting. Signed-off-by: Benjamin Herrenschmidt