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2018-11-20misc: Update read() and write() methods to return bytes xferedSimon Glass
At present these functions return 0 on success. For some devices we want to know how many bytes were transferred. It seems useful to adjust the API to be more like the POSIX read() and write() functions. Update these two methods, a test and all users. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com>
2018-05-07SPDX: Convert all of our single license tags to Linux Kernel styleTom Rini
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
2017-06-01dm: Rename dev_addr..() functionsSimon Glass
These support the flat device tree. We want to use the dev_read_..() prefix for functions that support both flat tree and live tree. So rename the existing functions to avoid confusion. In the end we will have: 1. dev_read_addr...() - works on devices, supports flat/live tree 2. devfdt_get_addr...() - current functions, flat tree only 3. of_get_address() etc. - new functions, live tree only All drivers will be written to use 1. That function will in turn call either 2 or 3 depending on whether the flat or live tree is in use. Note this involves changing some dead code - the imx_lpi2c.c file. Signed-off-by: Simon Glass <sjg@chromium.org>
2016-03-14dm: Use uclass_first_device_err() where it is usefulSimon Glass
Use this new function in places where it simplifies the code. Signed-off-by: Simon Glass <sjg@chromium.org>
2015-11-18altera_sysid: change ioremap to map_physmemThomas Chou
Change ioremap() to map_physmem(), as it is more used in u-boot. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Reviewed-by: Marek Vasut <marex@denx.de>
2015-11-06misc: altera_sysid: minor clean upThomas Chou
- Remove the penultimate comma in of_match ids Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Reviewed-by: Jagan Teki <jteki@openedev.com>
2015-10-23nios2: convert altera sysid to driver modelThomas Chou
Convert altera sysid to driver model with misc uclass. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Acked-by: Chin Liang See <clsee@altera.com> Reviewed-by: Simon Glass <sjg@chromium.org>