Message ID | 20230926100006.1789276-2-avri.altman@wdc.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | Revamp CSD register parsing | expand |
On Tue, 26 Sept 2023 at 12:02, Avri Altman <avri.altman@wdc.com> wrote: > > All 3 register parsing: CID, CSD, and CSR follow the same structure - > reuse it instead of duplicating the code 3 times. No functional change. > > Signed-off-by: Avri Altman <avri.altman@wdc.com> Applied to git.kernel.org/pub/scm/utils/mmc/mmc-utils.git master, thanks! Kind regards Uffe > --- > lsmmc.c | 59 +++++++++++++++++++-------------------------------------- > 1 file changed, 19 insertions(+), 40 deletions(-) > > diff --git a/lsmmc.c b/lsmmc.c > index 54c3167..85779bb 100644 > --- a/lsmmc.c > +++ b/lsmmc.c > @@ -2373,7 +2373,6 @@ int lsmmc_main(struct config *config, int argc, char **argv) > { > int ret; > > - memset(config, 0, sizeof(*config)); > config->mmc_ids = calloc(IDS_MAX, sizeof(char *)); > config->sd_ids = calloc(IDS_MAX, sizeof(char *)); > if (!config->mmc_ids || !config->sd_ids) { > @@ -2395,71 +2394,51 @@ void lsmmc_free(struct config *config) > free(config->dir); > } > > -int do_read_csd(int argc, char **argv) > +static int do_read_reg(int argc, char **argv, enum REG_TYPE reg) > { > - struct config config; > + struct config cfg = {}; > int ret; > > - if (argc != 2 && argc != 3) { > - fprintf(stderr, "Usage: Print CSD data from <device path>.\n"); > - exit(1); > - } > - > - ret = lsmmc_main(&config, argc, argv); > + ret = lsmmc_main(&cfg, argc, argv); > if (ret) > goto out; > > - if (config.dir) > - ret = process_dir(&config, CSD); > + if (cfg.dir) > + ret = process_dir(&cfg, reg); > > out: > - lsmmc_free(&config); > + lsmmc_free(&cfg); > > return ret; > + > } > > -int do_read_cid(int argc, char **argv) > +int do_read_csd(int argc, char **argv) > { > - struct config config; > - int ret; > - > if (argc != 2 && argc != 3) { > - fprintf(stderr, "Usage: Print CID data from <device path>.\n"); > + fprintf(stderr, "Usage: Print CSD data from <device path>.\n"); > exit(1); > } > > - ret = lsmmc_main(&config, argc, argv); > - if (ret) > - goto out; > - > - if (config.dir) > - ret = process_dir(&config, CID); > + return do_read_reg(argc, argv, CSD); > +} > > -out: > - lsmmc_free(&config); > +int do_read_cid(int argc, char **argv) > +{ > + if (argc != 2 && argc != 3) { > + fprintf(stderr, "Usage: Print CID data from <device path>.\n"); > + exit(1); > + } > > - return ret; > + return do_read_reg(argc, argv, CID); > } > > int do_read_scr(int argc, char **argv) > { > - struct config config; > - int ret; > - > if (argc != 2 && argc != 3) { > fprintf(stderr, "Usage: Print SCR data from <device path>.\n"); > exit(1); > } > > - ret = lsmmc_main(&config, argc, argv); > - if (ret) > - goto out; > - > - if (config.dir) > - ret = process_dir(&config, SCR); > - > -out: > - lsmmc_free(&config); > - > - return ret; > + return do_read_reg(argc, argv, SCR); > } > -- > 2.42.0 >
diff --git a/lsmmc.c b/lsmmc.c index 54c3167..85779bb 100644 --- a/lsmmc.c +++ b/lsmmc.c @@ -2373,7 +2373,6 @@ int lsmmc_main(struct config *config, int argc, char **argv) { int ret; - memset(config, 0, sizeof(*config)); config->mmc_ids = calloc(IDS_MAX, sizeof(char *)); config->sd_ids = calloc(IDS_MAX, sizeof(char *)); if (!config->mmc_ids || !config->sd_ids) { @@ -2395,71 +2394,51 @@ void lsmmc_free(struct config *config) free(config->dir); } -int do_read_csd(int argc, char **argv) +static int do_read_reg(int argc, char **argv, enum REG_TYPE reg) { - struct config config; + struct config cfg = {}; int ret; - if (argc != 2 && argc != 3) { - fprintf(stderr, "Usage: Print CSD data from <device path>.\n"); - exit(1); - } - - ret = lsmmc_main(&config, argc, argv); + ret = lsmmc_main(&cfg, argc, argv); if (ret) goto out; - if (config.dir) - ret = process_dir(&config, CSD); + if (cfg.dir) + ret = process_dir(&cfg, reg); out: - lsmmc_free(&config); + lsmmc_free(&cfg); return ret; + } -int do_read_cid(int argc, char **argv) +int do_read_csd(int argc, char **argv) { - struct config config; - int ret; - if (argc != 2 && argc != 3) { - fprintf(stderr, "Usage: Print CID data from <device path>.\n"); + fprintf(stderr, "Usage: Print CSD data from <device path>.\n"); exit(1); } - ret = lsmmc_main(&config, argc, argv); - if (ret) - goto out; - - if (config.dir) - ret = process_dir(&config, CID); + return do_read_reg(argc, argv, CSD); +} -out: - lsmmc_free(&config); +int do_read_cid(int argc, char **argv) +{ + if (argc != 2 && argc != 3) { + fprintf(stderr, "Usage: Print CID data from <device path>.\n"); + exit(1); + } - return ret; + return do_read_reg(argc, argv, CID); } int do_read_scr(int argc, char **argv) { - struct config config; - int ret; - if (argc != 2 && argc != 3) { fprintf(stderr, "Usage: Print SCR data from <device path>.\n"); exit(1); } - ret = lsmmc_main(&config, argc, argv); - if (ret) - goto out; - - if (config.dir) - ret = process_dir(&config, SCR); - -out: - lsmmc_free(&config); - - return ret; + return do_read_reg(argc, argv, SCR); }
All 3 register parsing: CID, CSD, and CSR follow the same structure - reuse it instead of duplicating the code 3 times. No functional change. Signed-off-by: Avri Altman <avri.altman@wdc.com> --- lsmmc.c | 59 +++++++++++++++++++-------------------------------------- 1 file changed, 19 insertions(+), 40 deletions(-)