# git rev-parse -q --verify cbf5c33ba2f308fc9a42c947d3478698d10fd205^{commit} cbf5c33ba2f308fc9a42c947d3478698d10fd205 already have revision, skipping fetch # git checkout -q -f -B kisskb cbf5c33ba2f308fc9a42c947d3478698d10fd205 # git clean -qxdf # < git log -1 # commit cbf5c33ba2f308fc9a42c947d3478698d10fd205 # Author: Cédric Le Goater # Date: Fri Jun 22 12:13:04 2018 +0200 # # mtd: spi-nor: aspeed: introduce optimized settings for fast reads # # Better settings for fast reads are looked for by implementing a SPI # Timing calibration sequence described in the Aspeed SoC specification # document. The code is based on the OpenPOWER pflash tool and a similar # sequence using DMAs can be found in the SDK U-Boot. # # The SPI calibration performs a loop on different SPI clock rates # (dividers of the AHB clock rates) and on different input delay cycles # for each SPI clock rates. The successive read results are compared to # a golden buffer, read at low speed, to select the fastest read # settings for the chip. # # The "spi-max-frequency" property is used to cap the optimize read # algorithm on some devices or controllers for which we want a safe # setting, on the FMC controller chips for instance. # # It can also be deactivated at boot time with a kernel parameter # 'optimize_read', but that was never used on the field. # # Signed-off-by: Cédric Le Goater # < /opt/cross/kisskb/gcc-4.6.3-nolibc/mips-linux/bin/mips-linux-gcc --version # < git log --format=%s --max-count=1 cbf5c33ba2f308fc9a42c947d3478698d10fd205 # < make -s -j 48 ARCH=mips O=/kisskb/build/cdrx_ip32_defconfig_mips CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/mips-linux/bin/mips-linux- ip32_defconfig # make -s -j 48 ARCH=mips O=/kisskb/build/cdrx_ip32_defconfig_mips CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/mips-linux/bin/mips-linux- /kisskb/src/arch/mips/vdso/Makefile:32: MIPS VDSO requires binutils >= 2.25 /kisskb/src/net/Makefile:24: CC cannot link executables. Skipping bpfilter. :1332:2: warning: #warning syscall io_pgetevents not implemented [-Wcpp] :1335:2: warning: #warning syscall rseq not implemented [-Wcpp] :1332:2: warning: #warning syscall io_pgetevents not implemented [-Wcpp] :1335:2: warning: #warning syscall rseq not implemented [-Wcpp] :1332:2: warning: #warning syscall io_pgetevents not implemented [-Wcpp] :1335:2: warning: #warning syscall rseq not implemented [-Wcpp] /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/mips/vdso/Makefile:32: MIPS VDSO requires binutils >= 2.25 /kisskb/src/net/Makefile:24: CC cannot link executables. Skipping bpfilter. /kisskb/src/fs/proc/inode.c: In function 'proc_reg_open': /kisskb/src/include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c:339:21: note: 'pdeo' was declared here /kisskb/src/fs/udf/unicode.c: In function 'udf_name_conv_char': /kisskb/src/fs/udf/unicode.c:132:8: warning: 'c' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'univ8250_release_irq': /kisskb/src/drivers/tty/serial/8250/8250_core.c:251:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c:231:19: note: 'i' was declared here lib/lib.a: could not read symbols: No more archived files /kisskb/src/Makefile:1015: recipe for target 'vmlinux' failed make[1]: *** [vmlinux] Error 1 Makefile:146: recipe for target 'sub-make' failed make: *** [sub-make] Error 2 Command 'make -s -j 48 ARCH=mips O=/kisskb/build/cdrx_ip32_defconfig_mips CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/mips-linux/bin/mips-linux- ' returned non-zero exit status 2 # rm -rf /kisskb/build/cdrx_ip32_defconfig_mips # Build took: 0:00:45.580914