Messages in this thread | | | Date | Mon, 4 Dec 2017 03:39:47 +0800 | From | kbuild test robot <> | Subject | Re: [PATCH v2] NTB: ntb_pp: Add full multi-port NTB API support |
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Hi Serge,
I love your patch! Yet something to improve:
[auto build test ERROR on v4.15-rc1] [cannot apply to ntb/ntb-next next-20171201] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Serge-Semin/NTB-ntb_pp-Add-full-multi-port-NTB-API-support/20171204-025207 config: x86_64-randconfig-x004-201749 (attached as .config) compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025 reproduce: # save the attached .config to linux build tree make ARCH=x86_64
All error/warnings (new ones prefixed by >>):
drivers/ntb/test/ntb_pingpong.c: In function 'pp_ping': >> drivers/ntb/test/ntb_pingpong.c:185:2: error: implicit declaration of function 'ntb_peer_msg_write'; did you mean 'ntb_peer_spad_write'? [-Werror=implicit-function-declaration] ntb_peer_msg_write(pp->ntb, pp->out_pidx, 0, count); ^~~~~~~~~~~~~~~~~~ ntb_peer_spad_write drivers/ntb/test/ntb_pingpong.c: In function 'pp_pong': >> drivers/ntb/test/ntb_pingpong.c:202:35: warning: passing argument 2 of 'ntb_msg_read' makes integer from pointer without a cast [-Wint-conversion] msg_data = ntb_msg_read(pp->ntb, &pidx, 0); ^ In file included from drivers/ntb/test/ntb_pingpong.c:85:0: include/linux/ntb.h:1473:19: note: expected 'int' but argument is of type 'int *' static inline int ntb_msg_read(struct ntb_dev *ntb, int midx, int *pidx, ^~~~~~~~~~~~ >> drivers/ntb/test/ntb_pingpong.c:202:13: error: too few arguments to function 'ntb_msg_read' msg_data = ntb_msg_read(pp->ntb, &pidx, 0); ^~~~~~~~~~~~ In file included from drivers/ntb/test/ntb_pingpong.c:85:0: include/linux/ntb.h:1473:19: note: declared here static inline int ntb_msg_read(struct ntb_dev *ntb, int midx, int *pidx, ^~~~~~~~~~~~ cc1: some warnings being treated as errors
vim +185 drivers/ntb/test/ntb_pingpong.c
176 177 static void pp_ping(struct pp_ctx *pp) 178 { 179 u32 count; 180 181 count = atomic_read(&pp->count); 182 183 spin_lock(&pp->lock); 184 ntb_peer_spad_write(pp->ntb, pp->out_pidx, 0, count); > 185 ntb_peer_msg_write(pp->ntb, pp->out_pidx, 0, count); 186 187 dev_dbg(&pp->ntb->dev, "Ping port %d spad %#x, msg %#x\n", 188 ntb_peer_port_number(pp->ntb, pp->out_pidx), count, count); 189 190 ntb_peer_db_set(pp->ntb, pp->out_db); 191 ntb_db_clear_mask(pp->ntb, pp->in_db); 192 spin_unlock(&pp->lock); 193 } 194 195 static void pp_pong(struct pp_ctx *pp) 196 { 197 u32 msg_data = -1, spad_data = -1; 198 int pidx = 0; 199 200 /* Read pong data */ 201 spad_data = ntb_spad_read(pp->ntb, 0); > 202 msg_data = ntb_msg_read(pp->ntb, &pidx, 0); 203 ntb_msg_clear_sts(pp->ntb, -1); 204 205 /* 206 * Scratchpad and message data may differ, since message register can't 207 * be rewritten unless status is cleared. Additionally either of them 208 * might be unsupported 209 */ 210 dev_dbg(&pp->ntb->dev, "Pong spad %#x, msg %#x (port %d)\n", 211 spad_data, msg_data, ntb_peer_port_number(pp->ntb, pidx)); 212 213 atomic_inc(&pp->count); 214 215 ntb_db_set_mask(pp->ntb, pp->in_db); 216 ntb_db_clear(pp->ntb, pp->in_db); 217 218 hrtimer_start(&pp->timer, ms_to_ktime(delay_ms), HRTIMER_MODE_REL); 219 } 220
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